1 files changed, 2 insertions, 2 deletions
diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index 83439b03e..fec1a9a6d 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -79,7 +79,7 @@ void GraphicsManager::updateExtensions(const char *extensions)
     splitToStringSet(mExtensions, extensions, ' ');
 }
 
-bool GraphicsManager::supportExtension(const std::string ext)
+bool GraphicsManager::supportExtension(const std::string &ext)
 {
     return mExtensions.find(ext) != mExtensions.end();
 }
@@ -181,4 +181,4 @@ void GraphicsManager::setVideoMode()
             }
         }
     }
-}
-\ No newline at end of file
+}