diff --git a/Contrib/System/Source/Buffers.c b/Contrib/System/Source/Buffers.c
index e3824827..a1e1f213 100644
--- a/Contrib/System/Source/Buffers.c
+++ b/Contrib/System/Source/Buffers.c
@@ -4,11 +4,11 @@
 #include "Buffers.h"
 
 typedef struct tagTempStack TempStack;
-typedef struct tagTempStack
+struct tagTempStack
 {
     TempStack *Next;
     char Data[0];
-} TempStack;
+};
 TempStack *tempstack = NULL;
 
 PLUGINFUNCTIONSHORT(Alloc)
diff --git a/Contrib/System/Source/System.h b/Contrib/System/Source/System.h
index 96f4cd82..ec34e31f 100644
--- a/Contrib/System/Source/System.h
+++ b/Contrib/System/Source/System.h
@@ -73,7 +73,7 @@ typedef struct
 // Our single proc (Since the user will free proc with GlobalFree, 
 // I've declared all variables as statics)
 typedef struct tag_SystemProc SystemProc;
-typedef struct tag_SystemProc
+struct tag_SystemProc
 {
 	int ProcType;
     int ProcResult;
@@ -91,7 +91,7 @@ typedef struct tag_SystemProc
     int ArgsSize;
     // Clone of current element (used for multi-level callbacks)
     SystemProc *Clone;
-} SystemProc;
+};
 
 extern const int ParamSizeByType[];   // Size of every parameter type (*4 bytes)