diff --git a/go/reg-test/cases/case-c-dsl-local-map-variable-write-read.sh b/go/reg-test/cases/case-dsl-local-map-variable-write-read.sh
similarity index 78%
rename from go/reg-test/cases/case-c-dsl-local-map-variable-write-read.sh
rename to go/reg-test/cases/case-dsl-local-map-variable-write-read.sh
index 25bb90020..b48094632 100644
--- a/go/reg-test/cases/case-c-dsl-local-map-variable-write-read.sh
+++ b/go/reg-test/cases/case-dsl-local-map-variable-write-read.sh
@@ -1,16 +1,16 @@
-run_mlr --from $indir/xyz345 put '
+run_mlr --from $indir/xyz345 --ojson put '
     $s = a;
     $t = b[$x];
     $u = c[$x][$y];
     $v = d[$x][$y][$z];
 '
 
-run_mlr --from $indir/xyz345 put '
+run_mlr --from $indir/xyz345 --ojson put '
     d[$x][$y][$z] = 9;
     $d = d[$x][$y][$z];
 '
 
-run_mlr --from $indir/xyz345 put '
+run_mlr --from $indir/xyz345 --ojson put '
     a = 6;
     b[$x] = 7;
     c[$x][$y] = 8;
@@ -22,7 +22,7 @@ run_mlr --from $indir/xyz345 put '
     $d = d[$x][$y][$z];
 '
 
-run_mlr --from $indir/xyz345 put '
+run_mlr --from $indir/xyz345 --ojson put '
     a = 6;
     b[$x] = 7;
     c[$x][$y] = 8;
diff --git a/go/reg-test/expected/case-c-dsl-local-map-variable-write-read.sh.out b/go/reg-test/expected/case-c-dsl-local-map-variable-write-read.sh.out
deleted file mode 100644
index 3c1dc8f09..000000000
--- a/go/reg-test/expected/case-c-dsl-local-map-variable-write-read.sh.out
+++ /dev/null
@@ -1,56 +0,0 @@
-
-mlr --from ./reg-test/input/xyz345 put 
-    $s = a;
-    $t = b[$x];
-    $u = c[$x][$y];
-    $v = d[$x][$y][$z];
-
-x=3,y=4,z=5
-
-mlr --from ./reg-test/input/xyz345 put 
-    d[$x][$y][$z] = 9;
-    $d = d[$x][$y][$z];
-
-x=3,y=4,z=5,d=9
-
-mlr --from ./reg-test/input/xyz345 put 
-    a = 6;
-    b[$x] = 7;
-    c[$x][$y] = 8;
-    d[$x][$y][$z] = 9;
-
-    $a = a;
-    $b = b[$x];
-    $c = c[$x][$y];
-    $d = d[$x][$y][$z];
-
-x=3,y=4,z=5,a=6,b=7,c=8,d=9
-
-mlr --from ./reg-test/input/xyz345 put 
-    a = 6;
-    b[$x] = 7;
-    c[$x][$y] = 8;
-    d[$x][$y][$z] = 9;
-
-    $a0 = a;
-    $a1 = a[$x];
-    $a2 = a[$x][$y];
-    $a3 = a[$x][$y][$z];
-
-    $b0 = b;
-    $b1 = b[$x];
-    $b2 = b[$x][$y];
-    $b3 = b[$x][$y][$z];
-
-    $c0 = c;
-    $c1 = c[$x];
-    $c2 = c[$x][$y];
-    $c3 = c[$x][$y][$z];
-
-    $d0 = d;
-    $d1 = d[$x];
-    $d2 = d[$x][$y];
-    $d3 = d[$x][$y][$z];
-
-x=3,y=4,z=5,a0=6,b1=7,c2=8,d3=9
-
diff --git a/go/reg-test/expected/case-dsl-local-map-variable-write-read.sh.out b/go/reg-test/expected/case-dsl-local-map-variable-write-read.sh.out
new file mode 100644
index 000000000..02dcd7efd
--- /dev/null
+++ b/go/reg-test/expected/case-dsl-local-map-variable-write-read.sh.out
@@ -0,0 +1,113 @@
+
+mlr --from ./reg-test/input/xyz345 --ojson put 
+    $s = a;
+    $t = b[$x];
+    $u = c[$x][$y];
+    $v = d[$x][$y][$z];
+
+{
+  "x": 3,
+  "y": 4,
+  "z": 5
+}
+
+mlr --from ./reg-test/input/xyz345 --ojson put 
+    d[$x][$y][$z] = 9;
+    $d = d[$x][$y][$z];
+
+{
+  "x": 3,
+  "y": 4,
+  "z": 5,
+  "d": 9
+}
+
+mlr --from ./reg-test/input/xyz345 --ojson put 
+    a = 6;
+    b[$x] = 7;
+    c[$x][$y] = 8;
+    d[$x][$y][$z] = 9;
+
+    $a = a;
+    $b = b[$x];
+    $c = c[$x][$y];
+    $d = d[$x][$y][$z];
+
+{
+  "x": 3,
+  "y": 4,
+  "z": 5,
+  "a": 6,
+  "b": 7,
+  "c": 8,
+  "d": 9
+}
+
+mlr --from ./reg-test/input/xyz345 --ojson put 
+    a = 6;
+    b[$x] = 7;
+    c[$x][$y] = 8;
+    d[$x][$y][$z] = 9;
+
+    $a0 = a;
+    $a1 = a[$x];
+    $a2 = a[$x][$y];
+    $a3 = a[$x][$y][$z];
+
+    $b0 = b;
+    $b1 = b[$x];
+    $b2 = b[$x][$y];
+    $b3 = b[$x][$y][$z];
+
+    $c0 = c;
+    $c1 = c[$x];
+    $c2 = c[$x][$y];
+    $c3 = c[$x][$y][$z];
+
+    $d0 = d;
+    $d1 = d[$x];
+    $d2 = d[$x][$y];
+    $d3 = d[$x][$y][$z];
+
+{
+  "x": 3,
+  "y": 4,
+  "z": 5,
+  "a0": 6,
+  "a1": (error),
+  "a2": (error),
+  "a3": (error),
+  "b0": {
+    "3": 7
+  },
+  "b1": 7,
+  "b2": (error),
+  "b3": (error),
+  "c0": {
+    "3": {
+      "4": 8
+    }
+  },
+  "c1": {
+    "4": 8
+  },
+  "c2": 8,
+  "c3": (error),
+  "d0": {
+    "3": {
+      "4": {
+        "5": 9
+      }
+    }
+  },
+  "d1": {
+    "4": {
+      "5": 9
+    }
+  },
+  "d2": {
+    "5": 9
+  },
+  "d3": 9
+}
+