diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 38a08d4888c281b788d77215720bd342a54a236e..5b345a45b67d3611e7f6c92955aad840b4a26d85 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -102,7 +102,7 @@
 			} else if (trimmedName.length === 0) {
 				throw t('files', 'File name cannot be empty.');
 			} else if (OC.fileIsBlacklisted(trimmedName)) {
-				throw t('files', '"{name}" is not an allow filetype', {name: name});
+				throw t('files', '"{name}" is not an allowed filetype', {name: name});
 			}
 
 			return true;