diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09b400056..b027640df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -851,6 +851,10 @@ jobs:
             std: 17
             args: >
               -DCMAKE_CXX_FLAGS="/permissive- /EHsc /GR"
+          - python: 3.7
+            std: 17
+            args: >
+              -DCMAKE_CXX_FLAGS="/permissive- /EHsc /GR"
 
     steps:
     - uses: actions/checkout@v2
diff --git a/include/pybind11/functional.h b/include/pybind11/functional.h
index 24141ce38..ad5608c25 100644
--- a/include/pybind11/functional.h
+++ b/include/pybind11/functional.h
@@ -69,7 +69,7 @@ public:
         // ensure GIL is held during functor destruction
         struct func_handle {
             function f;
-#if !(defined(_MSC_VER) && _MSC_VER == 1916 && defined(PYBIND11_CPP17) && PY_MAJOR_VERSION < 3)
+#if !(defined(_MSC_VER) && _MSC_VER == 1916 && defined(PYBIND11_CPP17))
             // This triggers a syntax error under very special conditions (very weird indeed).
             explicit
 #endif