1 files changed, 1 insertions, 1 deletions
diff --git a/mjit_worker.c b/mjit_worker.c
index d41011721e..c024085288 100644
--- a/mjit_worker.c
+++ b/mjit_worker.c
@@ -166,7 +166,7 @@ struct rb_mjit_unit {
     char *so_file;
 #endif
     // Only used by unload_units. Flag to check this unit is currently on stack or not.
-    char used_code_p;
+    bool used_code_p;
     struct list_node unode;
     // mjit_compile's optimization switches
     struct rb_mjit_compile_info compile_info;