diff --git a/test/test_callables.py b/test/test_callables.py
index d7b3ab4475e6c5cabf0d44896c982e8bddf27484..f79f6e8f193b639ea7b6ea2609e22fa3e87a534d 100644
--- a/test/test_callables.py
+++ b/test/test_callables.py
@@ -792,6 +792,32 @@ def test_double_hw_axes_used_in_knl_call(inline):
         lp.generate_code_v2(knl)
 
 
+@pytest.mark.parametrize("inline", [True, False])
+def test_kc_with_floor_div_in_expr(ctx_factory, inline):
+    # See https://github.com/inducer/loopy/issues/366
+    import loopy as lp
+
+    ctx = ctx_factory()
+    callee = lp.make_function(
+            "{[i]: 0<=i<10}",
+            """
+            x[i] = 2*x[i]
+            """, name="callee_with_update")
+
+    knl = lp.make_kernel(
+            "{[i]: 0<=i<10}",
+            """
+            [i]: x[2*(i//2) + (i%2)] = callee_with_update([i]: x[i])
+            """)
+
+    knl = lp.merge([knl, callee])
+
+    if inline:
+        knl = lp.inline_callable_kernel(knl, "callee_with_update")
+
+    lp.auto_test_vs_ref(knl, ctx, knl)
+
+
 if __name__ == "__main__":
     if len(sys.argv) > 1:
         exec(sys.argv[1])