diff --git a/README.md b/README.md
index 7b49a2d..acd5be3 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ The IFM uses the following resources:
   + HTML5 and CSS3 compatible browser
   + activated javascript
 * Server
-  + PHP >= 5.6
+  + PHP >= 7.0
   + extensions
     - bz2
     - curl (for remote upload)
diff --git a/src/main.php b/src/main.php
index aa2dd51..94b0c75 100644
--- a/src/main.php
+++ b/src/main.php
@@ -771,7 +771,7 @@ f00bar;
 			try {
 				chmod($d["filename"], (int)octdec($chmod));
 				return ["status" => "OK", "message" => $this->l('permission_change_success')];
-			} catch (Exception) {
+			} catch (Exception $e) {
 				throw new IFMException($this->l('permission_change_error'));
 			}
 		} else