diff --git a/src/language_classifier.c b/src/language_classifier.c
index e3417828..bd8fb0cd 100644
--- a/src/language_classifier.c
+++ b/src/language_classifier.c
@@ -277,5 +277,6 @@ void language_classifier_module_teardown(void) {
     if (language_classifier != NULL) {
         language_classifier_destroy(language_classifier);
     }
+    language_classifier = NULL;
 }