diff --git a/apps/files_encryption/lib/helper.php b/apps/files_encryption/lib/helper.php
index 8b887f200fb29acd81dba506032fd078a4a3284d..c12d6f7887a674eca173e98d4c83c911976f4b84 100755
--- a/apps/files_encryption/lib/helper.php
+++ b/apps/files_encryption/lib/helper.php
@@ -222,6 +222,6 @@ class Helper {
 		// we need php >= 5.3.3
 		$result &= version_compare(phpversion(), '5.3.3', '>=');
 
-		return $result;
+		return (bool) $result;
 	}
 }
\ No newline at end of file