diff --git a/src/alloc-override.c b/src/alloc-override.c
index 92536976..c44bb0d9 100644
--- a/src/alloc-override.c
+++ b/src/alloc-override.c
@@ -23,7 +23,7 @@ mi_decl_externc size_t malloc_good_size(size_t size);
 #endif
 
 // helper definition for C override of C++ new
-typedef struct mi_nothrow_s { int _tag; } mi_nothrow_t;
+typedef void* mi_nothrow_t;
 
 // ------------------------------------------------------
 // Override system malloc