1 files changed, 1 insertions, 1 deletions
diff --git a/regparse.c b/regparse.c
index a255644b34..1d669212d5 100644
--- a/regparse.c
+++ b/regparse.c
@@ -302,7 +302,7 @@ typedef struct {
 
 #ifdef USE_ST_HASH_TABLE
 
-#include "st.h"
+#include "ruby/st.h"
 
 typedef struct {
   unsigned char* s;