diff --git a/compile.c b/compile.c
index d4594e84ea..7f2fd17f1f 100644
--- a/compile.c
+++ b/compile.c
@@ -40,7 +40,7 @@ typedef struct iseq_link_element {
 	ISEQ_ELEMENT_LABEL,
 	ISEQ_ELEMENT_INSN,
 	ISEQ_ELEMENT_ADJUST,
-	ISEQ_ELEMENT_TRACE,
+        ISEQ_ELEMENT_TRACE,
     } type;
     struct iseq_link_element *next;
     struct iseq_link_element *prev;