diff --git a/src/borg/helpers/checks.py b/src/borg/helpers/checks.py
index 08c540541..fa4d62e7c 100644
--- a/src/borg/helpers/checks.py
+++ b/src/borg/helpers/checks.py
@@ -28,7 +28,7 @@ def check_extension_modules():
         raise ExtensionModuleError
     if borg.crypto.low_level.API_VERSION != '1.1_02':
         raise ExtensionModuleError
-    if platform.API_VERSION != platform.OS_API_VERSION != '1.1_03':
+    if platform.API_VERSION != platform.OS_API_VERSION or platform.API_VERSION != '1.2_01':
         raise ExtensionModuleError
     if item.API_VERSION != '1.1_03':
         raise ExtensionModuleError