diff --git a/lib/iomaster.php b/lib/iomaster.php
index aff5b145c2..5d1071a392 100644
--- a/lib/iomaster.php
+++ b/lib/iomaster.php
@@ -231,7 +231,7 @@ class IoMaster
                 return -1;
             }
         } else {
-            return $this->parseMemoryLimit($limit);
+            return $this->parseMemoryLimit($softLimit);
         }
         return $softLimit;
     }