diff --git a/widget/src/gtk/nsSound.cpp b/widget/src/gtk/nsSound.cpp
index c687dc3d06c8..20e3286a3373 100644
--- a/widget/src/gtk/nsSound.cpp
+++ b/widget/src/gtk/nsSound.cpp
@@ -250,7 +250,7 @@ NS_METHOD nsSound::Play(nsIURI *aURI)
     nsFileSpec chromeFile;
     if (NS_SUCCEEDED(rv) && aUrl) { 
     	rv = aUrl->GetFilePath(getter_Copies(tempPath));
-    	if ( NS_FAILED(rv) || tempPath == NULL ) {
+    	if ( NS_FAILED(rv) || !tempPath ) {
 		printf( "Sound: unable to get path on URI\n" );
         	return NS_ERROR_FAILURE;
     	}