diff --git a/tests/msc_vlr/msc_vlr_tests.h b/tests/msc_vlr/msc_vlr_tests.h
index 1a57101..737541a 100644
--- a/tests/msc_vlr/msc_vlr_tests.h
+++ b/tests/msc_vlr/msc_vlr_tests.h
@@ -275,5 +275,5 @@
 #define EUSE_TO_MSC_USSD "0a0103"
 #define MSC_USSD_TO_EUSE "0a0103"
 
-extern bool got_crcx;
 void expect_crcx(enum rtp_direction towards);
+bool crcx_scheduled(enum rtp_direction towards);