diff --git a/membuffer/membuffer.h b/membuffer/membuffer.h
index dee151a..54d13cd 100644
--- a/membuffer/membuffer.h
+++ b/membuffer/membuffer.h
@@ -74,7 +74,7 @@ public:
 		size_t dynamic_array_index;
 		size_t index;
 
-		friend MemBuffer;
+		friend class MemBuffer;
 	};
 
 
@@ -99,7 +99,7 @@ public:
 		size_t dynamic_array_index;
 		size_t index;
 
-		friend MemBuffer;
+		friend class MemBuffer;
 	};