diff --git a/src/address_dictionary.c b/src/address_dictionary.c
index bd6a3791..09d5298e 100644
--- a/src/address_dictionary.c
+++ b/src/address_dictionary.c
@@ -546,4 +546,5 @@ void address_dictionary_module_teardown(void) {
     if (address_dict != NULL) {
         address_dictionary_destroy(address_dict);
     }
+    address_dict = NULL;
 }
diff --git a/src/transliterate.c b/src/transliterate.c
index bb11349e..bb30baa6 100644
--- a/src/transliterate.c
+++ b/src/transliterate.c
@@ -1919,5 +1919,6 @@ bool transliteration_module_setup(char *filename) {
 
 void transliteration_module_teardown(void) {
     transliteration_table_destroy();
+    trans_table = NULL;
 }