diff --git a/ChangeLog b/ChangeLog
index 334e4a269..441913fc3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-07-22 Fred Kiefer <FredKiefer@gmx.de>
+
+	* Source/GSModelLoaderFactory.m (-supportedModelFileAtPath:): Fix
+	bug found by compiler.
+
 2017-07-22 Fred Kiefer <FredKiefer@gmx.de>
 
 	* Headers/AppKit/NSEvent.h
diff --git a/Source/GSModelLoaderFactory.m b/Source/GSModelLoaderFactory.m
index 4d979dae4..1dc674f2f 100644
--- a/Source/GSModelLoaderFactory.m
+++ b/Source/GSModelLoaderFactory.m
@@ -161,7 +161,7 @@ static NSMutableDictionary *_modelMap = nil;
       NSEnumerator *oen = [sortedArray objectEnumerator];
       Class cls = nil;
 
-      while ((cls = [oen nextObject]) != nil && result == NO)
+      while ((cls = [oen nextObject]) != nil && result == nil)
 	{
 	  NSString *path = [modelPath stringByAppendingPathExtension: 
 					(NSString *)[cls type]];