diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 6615d6d0b99802..e6bfbe46add9e9 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -6111,7 +6111,7 @@ _ssl_enum_certificates_impl(PyObject *module, const char *store_name)
         return PyErr_SetFromWindowsErr(GetLastError());
     }
 
-    while (pCertCtx = CertEnumCertificatesInStore(hCollectionStore, pCertCtx)) {
+    while ((pCertCtx = CertEnumCertificatesInStore(hCollectionStore, pCertCtx))) {
         cert = PyBytes_FromStringAndSize((const char*)pCertCtx->pbCertEncoded,
                                             pCertCtx->cbCertEncoded);
         if (!cert) {
@@ -6210,7 +6210,7 @@ _ssl_enum_crls_impl(PyObject *module, const char *store_name)
         return PyErr_SetFromWindowsErr(GetLastError());
     }
 
-    while (pCrlCtx = CertEnumCRLsInStore(hCollectionStore, pCrlCtx)) {
+    while ((pCrlCtx = CertEnumCRLsInStore(hCollectionStore, pCrlCtx))) {
         crl = PyBytes_FromStringAndSize((const char*)pCrlCtx->pbCrlEncoded,
                                             pCrlCtx->cbCrlEncoded);
         if (!crl) {
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index f3ce1fb632226e..b7300def8dc75f 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -5372,7 +5372,7 @@ _testFileExistsByName(LPCWSTR path, BOOL followLinks)
                                      sizeof(info)))
     {
         if (!(info.FileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) ||
-            !followLinks && IsReparseTagNameSurrogate(info.ReparseTag))
+            (!followLinks && IsReparseTagNameSurrogate(info.ReparseTag)))
         {
             return TRUE;
         }
diff --git a/PC/launcher2.c b/PC/launcher2.c
index 72121724726ccb..02ab417bb27ece 100644
--- a/PC/launcher2.c
+++ b/PC/launcher2.c
@@ -2760,7 +2760,7 @@ process(int argc, wchar_t ** argv)
     // We searched earlier, so if we didn't find anything, now we react
     exitCode = searchExitCode;
     // If none found, and if permitted, install it
-    if (exitCode == RC_NO_PYTHON && isEnvVarSet(L"PYLAUNCHER_ALLOW_INSTALL") ||
+    if (((exitCode == RC_NO_PYTHON) && isEnvVarSet(L"PYLAUNCHER_ALLOW_INSTALL")) ||
         isEnvVarSet(L"PYLAUNCHER_ALWAYS_INSTALL")) {
         exitCode = installEnvironment(&search);
         if (!exitCode) {