1 files changed, 1 insertions, 1 deletions
diff --git a/iseq.c b/iseq.c
index 030927ab37..9e6cf56d16 100644
--- a/iseq.c
+++ b/iseq.c
@@ -774,7 +774,7 @@ ruby_iseq_disasm_insn(VALUE ret, VALUE *iseq, int pos,
     return len;
 }
 
-static char *
+static const char *
 catch_type(int type)
 {
     switch (type) {