diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
index de62aeb04461fa..090129fe8653f2 100644
--- a/Objects/obmalloc.c
+++ b/Objects/obmalloc.c
@@ -882,7 +882,7 @@ _Py_GetGlobalAllocatedBlocks(void)
 
 /* Return a pointer to a bottom tree node, return NULL if it doesn't exist or
  * it cannot be created */
-static Py_ALWAYS_INLINE arena_map_bot_t *
+static inline Py_ALWAYS_INLINE arena_map_bot_t *
 arena_map_get(OMState *state, pymem_block *p, int create)
 {
 #ifdef USE_INTERIOR_NODES