diff --git a/lang/1.php b/lang/1.php
index 1be1e2666..a2be420d8 100644
--- a/lang/1.php
+++ b/lang/1.php
@@ -6641,7 +6641,7 @@ $lang = array (
 	'srv_vprasanje_upload_fotografija'			=>	'Fotografiranje',
 	'srv_vprasanje_upload_limit_title'          =>	'Omejitve uploada datoteke',
 	'srv_vprasanje_upload_limit'			    =>	'Omejitev velikosti datoteke je <b>16 MB</b>',
-	'srv_vprasanje_upload_limit_type'			=>	'Uporabnik lahko naloži datoteke tipa:<br />"jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx"',
+	'srv_vprasanje_upload_limit_type'			=>	'Uporabnik lahko naloži datoteke tipa:<br />"jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx", "ppt", "pptx"',
 	'srv_vprasanje_delete_line_map'				=>	'Izbriši linijo',
 	'srv_vprasanje_delete_point_map'			=>	'Izbriši',
 	'srv_vprasanje_delete_line_confirm_map'		=>	'Ste prepričani, da želite izbrisati to linijo?',
diff --git a/lang/2.php b/lang/2.php
index e8b30277d..79b669ccd 100644
--- a/lang/2.php
+++ b/lang/2.php
@@ -6524,7 +6524,7 @@ $lang = array (
     'srv_vprasanje_upload_fotografija'			=>	'Take a picture',
     'srv_vprasanje_upload_limit_title'          =>	'File upload limits',
     'srv_vprasanje_upload_limit'			    =>	'Filesize limit is 16 MB',
-	'srv_vprasanje_upload_limit_type'			=>	'Respondent can upload file types: "jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx"',
+	'srv_vprasanje_upload_limit_type'			=>	'Respondent can upload file types: "jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx", "ppt", "pptx"',
 	'srv_vprasanje_delete_line_map'				=>	'Delete line',
 	'srv_vprasanje_delete_point_map'			=>	'Delete',
 	'srv_vprasanje_delete_line_confirm_map'		=>	'Are you sure you want to delete this line?',
diff --git a/main/survey/app/Models/SaveSurvey.php b/main/survey/app/Models/SaveSurvey.php
index 83ab68e6c..203fa7b3f 100644
--- a/main/survey/app/Models/SaveSurvey.php
+++ b/main/survey/app/Models/SaveSurvey.php
@@ -799,7 +799,7 @@ class SaveSurvey extends Model
                                 $file_allowed = true;
 
                                 // Preverimo ce je file type dovoljen (prava koncnica)
-                                if( !in_array(strtolower($ext), array("jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx")) ){
+                                if( !in_array(strtolower($ext), array("jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx", "ppt", "pptx")) ){
                                     $file_allowed = false;
                                 }
 
diff --git a/main/survey/js/script.js b/main/survey/js/script.js
index 7099e78f2..c392f1fb3 100644
--- a/main/survey/js/script.js
+++ b/main/survey/js/script.js
@@ -1916,7 +1916,7 @@ function checkUpload(upload, id){
 
 
     // File extensions allowed
-    let extAllowed = ["jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx"];
+    let extAllowed = ["jpeg", "jpg", "png", "gif", "pdf", "doc", "docx", "xls", "xlsx", "ppt", "pptx"];
 
     // Get file ext
     let fileNameFull = upload.files[0].name;