1 files changed, 1 insertions, 1 deletions
diff --git a/src/proc.c b/src/proc.c
index c40d0382f..c8354a9af 100644
--- a/src/proc.c
+++ b/src/proc.c
@@ -26,7 +26,7 @@ mrb_proc_new(mrb_state *mrb, mrb_irep *irep)
   return p;
 }
 
-static void
+static inline void
 closure_setup(mrb_state *mrb, struct RProc *p, int nlocals)
 {
   struct REnv *e;