1 files changed, 1 insertions, 1 deletions
diff --git a/process.c b/process.c
index c4d0021d11..76d5f9f963 100644
--- a/process.c
+++ b/process.c
@@ -1197,7 +1197,7 @@ proc_spawn(sv)
 struct rb_exec_arg {
     int argc;
     VALUE *argv;
-    const char *prog;
+    VALUE prog;
 };
 
 static struct rb_exec_arg *