diff --git a/index.html b/index.html
index 8bb0e4c..7b63bef 100644
--- a/index.html
+++ b/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>SVR.JS 3.4.17</title>
+    <title>SVR.JS 3.4.18</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta charset="UTF-8" />
     <style>
@@ -12,7 +12,7 @@
     </style>
   </head>
   <body>
-    <h1>Welcome to SVR.JS 3.4.17</h1>
+    <h1>Welcome to SVR.JS 3.4.18</h1>
     <br/>
     <img src="/logo.png" style="width: 256px;" />
     <br/>
@@ -110,8 +110,8 @@
     </div>
     <p>Changes:</p>
     <ul>
-      <li>Improved URL sanitizer.</li>
-      <li>Fixed bug with formidable wrapper.</li>
+      <li>Fixed bug with ENOTDIR error (was 500, now it's 404).</li>
+      <li>Fixed bug with forbidden path checker.</li>
     </ul>
     <p>Bugs:</p>
     <ul>
diff --git a/licenses/index.html b/licenses/index.html
index 64063b5..f1adad2 100644
--- a/licenses/index.html
+++ b/licenses/index.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>SVR.JS 3.4.17 Licenses</title>
+    <title>SVR.JS 3.4.18 Licenses</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta charset="UTF-8" />
     <style>
@@ -12,8 +12,8 @@
     </style>
   </head>
   <body>
-    <h1>SVR.JS 3.4.17 Licenses</h1>
-    <h2>SVR.JS 3.4.17</h2>
+    <h1>SVR.JS 3.4.18 Licenses</h1>
+    <h2>SVR.JS 3.4.18</h2>
     <div style="display: inline-block; text-align: left; border-width: 2px; border-style: solid; border-color: gray; padding: 8px;">
       MIT License<br/>
       <br/>
@@ -37,7 +37,7 @@
       OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE<br/>
       SOFTWARE.<br/>
     </div>
-    <h2>Packages used by SVR.JS 3.4.17 and utilities</h2>
+    <h2>Packages used by SVR.JS 3.4.18 and utilities</h2>
     <div style="width: 100%; background-color: #ccc; border: 1px solid green; text-align: left; margin: 10px 0;">
       <div style="float: right;">License: MIT</div>
       <div style="font-size: 20px;">
diff --git a/svr.js b/svr.js
index 0223eaf..f388484 100644
--- a/svr.js
+++ b/svr.js
@@ -71,7 +71,7 @@ function deleteFolderRecursive(path) {
 }
 
 var os = require("os");
-var version = "3.4.17";
+var version = "3.4.18";
 var singlethreaded = false;
 
 if (process.versions) process.versions.svrjs = version; //Inject SVR.JS into process.versions
@@ -1444,10 +1444,10 @@ function checkIfForbiddenPath(decodedHref, match) {
 function checkIfIndexOfForbiddenPath(decodedHref, match) {
   var mo = forbiddenPaths[match];
   if (!mo) return false;
-  if (typeof mo == "string") return decodedHref == mo || decodedHref.indexOf(mo + "/") == 0 || (os.platform() == "win32" && (decodedHref.toLowerCase() == mo.toLowerCase() || decodedHref.toLowerCase().indexOf(mo.toLowerCase()) == 0));
+  if (typeof mo == "string") return decodedHref == mo || decodedHref.indexOf(mo + "/") == 0 || (os.platform() == "win32" && (decodedHref.toLowerCase() == mo.toLowerCase() || decodedHref.toLowerCase().indexOf(mo.toLowerCase() + "/") == 0));
   if (typeof mo == "object") {
     for (var i = 0; i < mo.length; i++) {
-      if (decodedHref == mo || decodedHref.indexOf(mo[i] + "/") == 0 || (os.platform() == "win32" && (decodedHref.toLowerCase() == mo[i].toLowerCase() || decodedHref.toLowerCase().indexOf(mo[i].toLowerCase()) == 0))) return true;
+      if (decodedHref == mo[i] || decodedHref.indexOf(mo[i] + "/") == 0 || (os.platform() == "win32" && (decodedHref.toLowerCase() == mo[i].toLowerCase() || decodedHref.toLowerCase().indexOf(mo[i].toLowerCase() + "/") == 0))) return true;
     }
   }
   return false;
@@ -1963,6 +1963,8 @@ if (!cluster.isMaster) {
               var additionalError = 500;
               if (ex.code == "ENOENT") {
                 additionalError = 404;
+              } else if (ex.code == "ENOTDIR") {
+                additionalError = 404;
               } else if (ex.code == "EACCES") {
                 additionalError = 403;
               } else if (ex.code == "EMFILE") {
@@ -2366,6 +2368,8 @@ if (!cluster.isMaster) {
             var additionalError = 500;
             if (ex.code == "ENOENT") {
               additionalError = 404;
+            } else if (ex.code == "ENOTDIR") {
+              additionalError = 404;
             } else if (ex.code == "EACCES") {
               additionalError = 403;
             } else if (ex.code == "EMFILE") {
@@ -3042,6 +3046,8 @@ if (!cluster.isMaster) {
               // Handle additional error cases
               if (ex.code == "ENOENT") {
                 additionalError = 404;
+              } else if (ex.code == "ENOTDIR") {
+                additionalError = 404;
               } else if (ex.code == "EACCES") {
                 additionalError = 403;
               } else if (ex.code == "EMFILE") {
@@ -3343,6 +3349,9 @@ if (!cluster.isMaster) {
               if (err.code == "ENOENT") {
                 callServerError(404);
                 serverconsole.errmessage("Resource not found.");
+              } else if (err.code == "ENOTDIR") {
+                callServerError(404);
+                serverconsole.errmessage("Resource not found.");
               } else if (err.code == "EACCES") {
                 callServerError(403);
                 serverconsole.errmessage("Access denied.");
@@ -3538,6 +3547,9 @@ if (!cluster.isMaster) {
                       if (ex.code == "ENOENT") {
                         callServerError(404);
                         serverconsole.errmessage("Resource not found.");
+                      } else if (ex.code == "ENOTDIR") {
+                        callServerError(404);
+                        serverconsole.errmessage("Resource not found.");
                       } else if (ex.code == "EACCES") {
                         callServerError(403);
                         serverconsole.errmessage("Access denied.");
@@ -3565,6 +3577,9 @@ if (!cluster.isMaster) {
                     if (err.code == "ENOENT") {
                       callServerError(404);
                       serverconsole.errmessage("Resource not found.");
+                    } else if (err.code == "ENOTDIR") {
+                      callServerError(404);
+                      serverconsole.errmessage("Resource not found.");
                     } else if (err.code == "EACCES") {
                       callServerError(403);
                       serverconsole.errmessage("Access denied.");
@@ -3657,6 +3672,9 @@ if (!cluster.isMaster) {
                             if (err.code == "ENOENT") {
                               callServerError(404);
                               serverconsole.errmessage("Resource not found.");
+                            } else if (err.code == "ENOTDIR") {
+                              callServerError(404);
+                              serverconsole.errmessage("Resource not found.");
                             } else if (err.code == "EACCES") {
                               callServerError(403);
                               serverconsole.errmessage("Access denied.");
@@ -3711,6 +3729,9 @@ if (!cluster.isMaster) {
                           if (ex.code == "ENOENT") {
                             callServerError(404);
                             serverconsole.errmessage("Resource not found.");
+                          } else if (ex.code == "ENOTDIR") {
+                            callServerError(404);
+                            serverconsole.errmessage("Resource not found.");
                           } else if (ex.code == "EACCES") {
                             callServerError(403);
                             serverconsole.errmessage("Access denied.");
diff --git a/tests.html b/tests.html
index 6bd8485..4c744bd 100644
--- a/tests.html
+++ b/tests.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>SVR.JS 3.4.17 Tests</title>
+    <title>SVR.JS 3.4.18 Tests</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta charset="UTF-8" />
     <style>
@@ -12,7 +12,7 @@
     </style>
   </head>
   <body>
-    <h1>SVR.JS 3.4.17 Tests</h1>
+    <h1>SVR.JS 3.4.18 Tests</h1>
     <h2>Directory</h2>
     <iframe src="/testdir" width="50%" height="300px"></iframe>
     <h2>Directory (with query)</h2>
