diff --git a/dlls/dbghelp/type.c b/dlls/dbghelp/type.c
index 23752cfed9f..29d8a5350a5 100644
--- a/dlls/dbghelp/type.c
+++ b/dlls/dbghelp/type.c
@@ -487,13 +487,13 @@ struct enum_types_AtoW
     PSYM_ENUMERATESYMBOLS_CALLBACKW     callback;
 };
 
-static BOOL CALLBACK enum_types_AtoW(PSYMBOL_INFO si, ULONG addr, PVOID _et)
+static BOOL CALLBACK enum_types_AtoW(PSYMBOL_INFO si, ULONG size, PVOID _et)
 {
     struct enum_types_AtoW*     et = _et;
     SYMBOL_INFOW*               siW = (SYMBOL_INFOW*)et->buffer;
 
     copy_symbolW(siW, si);
-    return et->callback(siW, addr, et->user);
+    return et->callback(siW, size, et->user);
 }
 
 /******************************************************************