diff --git a/Modules/_winapi.c b/Modules/_winapi.c
index 4ce689fe30e..260cab48091 100644
--- a/Modules/_winapi.c
+++ b/Modules/_winapi.c
@@ -1048,7 +1048,7 @@ getenvironment(PyObject* environment)
     }
 
     normalized_environment = normalize_environment(environment);
-    if (normalize_environment == NULL) {
+    if (normalized_environment == NULL) {
         return NULL;
     }