diff --git a/tests/04_nested_blocks.claro b/tests/04_nested_blocks.claro
new file mode 100644
index 0000000..f80accf
--- /dev/null
+++ b/tests/04_nested_blocks.claro
@@ -0,0 +1,10 @@
+SET x TO 0
+DO 3 TIMES
+    SET x TO x + 1
+    IF x IS 2
+        SAY "two"
+    ELSE
+        SAY "not-two"
+    ENDIF
+DONE
+SAY x