diff --git a/app/javascript/helpers/FileValidationHelper.jsx b/app/javascript/helpers/FileValidationHelper.jsx
index 948b4979033c36592416457b7fa1e6adbb172ece..6bb24ad71f837d208bfbf0573258dc2a852550ea 100644
--- a/app/javascript/helpers/FileValidationHelper.jsx
+++ b/app/javascript/helpers/FileValidationHelper.jsx
@@ -45,7 +45,7 @@ export const PRESENTATION_SUPPORTED_EXTENSIONS = Object.keys(PRESENTATION_SUPPOR
 export const PRESENTATION_SUPPORTED_MIMES = Object.values(PRESENTATION_SUPPORTED_FORMATS);
 
 export const IMAGE_MAX_FILE_COEFF = 3;
-export const PRESENTATION_MAX_FILE_COEFF = 10;
+export const PRESENTATION_MAX_FILE_COEFF = 30;
 
 export const fileValidation = (file, type) => {
   const MEBIBYTE = 1024 * 1024;