diff --git a/.gitignore b/.gitignore
index e5feda2..df7cd92 100755
--- a/.gitignore
+++ b/.gitignore
@@ -49,7 +49,6 @@ local.properties
 *.ilk
 *.meta
 *.obj
-*.pch
 *.pdb
 *.pgc
 *.pgd
diff --git a/CEFSimpleSample/Mac/CEFSimpleSample-Prefix.pch b/CEFSimpleSample/Mac/CEFSimpleSample-Prefix.pch
new file mode 100755
index 0000000..4db997f
--- /dev/null
+++ b/CEFSimpleSample/Mac/CEFSimpleSample-Prefix.pch
@@ -0,0 +1,7 @@
+//
+// Prefix header for all source files of the 'CEFSimpleSample' target in the 'CEFSimpleSample' project
+//
+
+#ifdef __OBJC__
+    #import <Cocoa/Cocoa.h>
+#endif