diff --git a/Source/ObjectiveC2/NSBlocks.m b/Source/ObjectiveC2/NSBlocks.m
index 17851bb1a..5e62e11e2 100644
--- a/Source/ObjectiveC2/NSBlocks.m
+++ b/Source/ObjectiveC2/NSBlocks.m
@@ -1,5 +1,5 @@
-#import "objc/objc-api.h"
-#import "objc/blocks_runtime.h"
+#import <objc/objc-api.h>
+#import "blocks_runtime.h"
 #include <assert.h>
 
 struct objc_class _NSConcreteGlobalBlock;