diff --git a/configs/main.js.example b/configs/main.js.example
index 1b4ba425..f845e13b 100644
--- a/configs/main.js.example
+++ b/configs/main.js.example
@@ -138,6 +138,9 @@ module.exports = {
 		true=allow only A-Za-z0-9_-
 		regex=custom regex of what to replace e.g. /[^\w\s-]+/g */
 	filterFileNames: false,
+	/* replace spaces and multiple spaces with some character default _ for better filenames
+		(spaces dont belong in filenames) */
+	spaceFileNameReplacement: '_',
 
 	//options for code block highlighting in posts
 	highlightOptions: {
diff --git a/controllers/forms.js b/controllers/forms.js
index 445addf7..75d9b54c 100644
--- a/controllers/forms.js
+++ b/controllers/forms.js
@@ -3,7 +3,7 @@
 const express  = require('express')
 	, router = express.Router()
 	, Boards = require(__dirname+'/../db/boards.js')
-	, { globalLimits, debugLogs, filterFileNames } = require(__dirname+'/../configs/main.js')
+	, { globalLimits, debugLogs, filterFileNames, spaceFileNameReplacement } = require(__dirname+'/../configs/main.js')
 	//middlewares
 	, calcPerms = require(__dirname+'/../helpers/checks/calcpermsmiddleware.js')
 	, hasPerms = require(__dirname+'/../helpers/checks/haspermsmiddleware.js')
@@ -29,6 +29,7 @@ const express  = require('express')
 		debug: debugLogs,
 		createParentPath: true,
 		safeFileNames: filterFileNames,
+		spaceFileNameReplacement,
 		preserveExtension: 4,
 		limits: {
 			totalSize: globalLimits.postFilesSize.max,
@@ -43,7 +44,8 @@ const express  = require('express')
 		debug: debugLogs,
 		createParentPath: true,
 		safeFileNames: filterFileNames,
-		preserveExtension: 3,
+		spaceFileNameReplacement,
+		preserveExtension: 4,
 		limits: {
 			totalSize: globalLimits.bannerFilesSize.max,
 			fileSize: globalLimits.bannerFilesSize.max,
diff --git a/package-lock.json b/package-lock.json
index 38d82eca..e6d6555f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -226,7 +226,7 @@
       }
     },
     "@tohru/gm": {
-      "version": "github:fatchan/gm#c2ffb2ce0db3f64fbf4082462601429985b6dca6",
+      "version": "github:fatchan/gm#07df8fbf131b6b18c32fa010a84e67964e132955",
       "from": "github:fatchan/gm",
       "requires": {
         "array-parallel": "^0.1.3",
@@ -2401,8 +2401,8 @@
       }
     },
     "express-fileupload": {
-      "version": "github:fatchan/express-fileupload#fd713ae7a3c7f381638d6479faa142d366304329",
-      "from": "github:fatchan/express-fileupload#fd713ae7a3c7f381638d6479faa142d366304329",
+      "version": "github:fatchan/express-fileupload#9aada2ecdef8a6617ccf82746e5faa2aece77239",
+      "from": "github:fatchan/express-fileupload",
       "requires": {
         "busboy": "^0.3.1"
       }
@@ -3604,7 +3604,7 @@
       }
     },
     "gm": {
-      "version": "github:fatchan/gm#c2ffb2ce0db3f64fbf4082462601429985b6dca6",
+      "version": "github:fatchan/gm#07df8fbf131b6b18c32fa010a84e67964e132955",
       "from": "github:fatchan/gm",
       "requires": {
         "array-parallel": "^0.1.3",