diff --git a/src/mzscheme/include/scheme.h b/src/mzscheme/include/scheme.h
index 0eb1897e38..c47d287cb0 100644
--- a/src/mzscheme/include/scheme.h
+++ b/src/mzscheme/include/scheme.h
@@ -1604,7 +1604,7 @@ void *scheme_malloc(size_t size);
 # define scheme_malloc_weak GC_malloc_weak
 # define scheme_malloc_weak_tagged GC_malloc_one_weak_tagged
 # define scheme_malloc_allow_interior GC_malloc_allow_interior
-# define scheme_malloc_atomic_allow_interior GC_malloc_allow_interior
+# define scheme_malloc_atomic_allow_interior GC_malloc_atomic_allow_interior
 #else
 # ifdef USE_TAGGED_ALLOCATION
 extern void *scheme_malloc_tagged(size_t);