diff --git a/core/state.py b/core/state.py
index 0ce4d7c4d..69e6e9448 100644
--- a/core/state.py
+++ b/core/state.py
@@ -660,7 +660,8 @@ def _DumpVarFrame(frame):
             if case(value_e.Undef):
                 cell_json['val'] = value.Null
 
-            elif case(value_e.Str, value_e.BashArray, value_e.BashAssoc):
+            elif case(value_e.Str, value_e.BashArray, value_e.BashAssoc,
+                      value_e.SparseArray):
                 cell_json['val'] = cell.val
 
             else:
diff --git a/spec/ble-idioms.test.sh b/spec/ble-idioms.test.sh
index 5c06074f1..95bae8767 100644
--- a/spec/ble-idioms.test.sh
+++ b/spec/ble-idioms.test.sh
@@ -1145,3 +1145,27 @@ true
 
 ## N-I bash/zsh/mksh/ash STDOUT:
 ## END
+
+
+#### SparseArray: crash dump
+case $SH in bash|zsh|mksh|ash) exit ;; esac
+
+OILS_CRASH_DUMP_DIR=$TMP $SH -ec 'a=({0..3}); unset -v "a[2]"; var a = _a2sp(a); false'
+json read (&crash_dump) < $TMP/*.json
+json write (crash_dump.var_stack[0].a)
+
+## STDOUT:
+{
+  "val": {
+    "type": "SparseArray",
+    "data": {
+      "0": "0",
+      "1": "1",
+      "3": "3"
+    }
+  }
+}
+## END
+
+## N-I bash/zsh/mksh/ash STDOUT:
+## END