diff --git a/mrbgems/mruby-compiler/core/parse.y b/mrbgems/mruby-compiler/core/parse.y
index 890f9e905..8ebee8f98 100644
--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -7772,7 +7772,7 @@ dump_node(mrb_state *mrb, node *tree, int offset)
 
   case NODE_DSYM:
     printf("NODE_DSYM:\n");
-    dump_str(mrb, dsym_node(tree)->list, offset+1, lineno);
+    dump_node(mrb, dsym_node(tree)->list, offset+1);
     break;
 
   case NODE_LVAR:
diff --git a/mrbgems/mruby-compiler/core/y.tab.c b/mrbgems/mruby-compiler/core/y.tab.c
index 4c3c86a11..20aea4596 100644
--- a/mrbgems/mruby-compiler/core/y.tab.c
+++ b/mrbgems/mruby-compiler/core/y.tab.c
@@ -14601,7 +14601,7 @@ dump_node(mrb_state *mrb, node *tree, int offset)
 
   case NODE_DSYM:
     printf("NODE_DSYM:\n");
-    dump_str(mrb, dsym_node(tree)->list, offset+1, lineno);
+    dump_node(mrb, dsym_node(tree)->list, offset+1);
     break;
 
   case NODE_LVAR:
@@ -15037,7 +15037,7 @@ dump_node(mrb_state *mrb, node *tree, int offset)
         printf("key:\n");
         if (node_to_sym(pairs->car->car) == MRB_OPSYM(pow)) {
           dump_prefix(offset+2, lineno);
-          printf("**:\n");
+          printf("**\n");
         }
         else {
           dump_node(mrb, pairs->car->car, offset+2);