diff --git a/vm/pc/dump.c b/vm/pc/dump.c
index 33e1ab7..0096f3e 100644
--- a/vm/pc/dump.c
+++ b/vm/pc/dump.c
@@ -86,7 +86,7 @@ void dump_instr(ctx_t *ctx,
 #else
         if (p2) {
             dump_acc(ctx, p2);
-            log(",");
+            log(", ");
         }
         dump_acc(ctx, p1);
 #endif