diff --git a/src/runmode-unittests.c b/src/runmode-unittests.c
index 4f3fc8bf7d..3701d29af7 100644
--- a/src/runmode-unittests.c
+++ b/src/runmode-unittests.c
@@ -277,6 +277,7 @@ void RunUnittests(int list_unittests, char *regex_arg)
     CudaBufferRegisterUnittests();
 #endif
     AppLayerUnittestsRegister();
+    MimeDecRegisterTests();
     if (list_unittests) {
         UtListTests(regex_arg);
     } else {