diff --git a/openbsc/tests/gsm0408/gsm0408_test.c b/openbsc/tests/gsm0408/gsm0408_test.c
index 46e93b8..679ce66 100644
--- a/openbsc/tests/gsm0408/gsm0408_test.c
+++ b/openbsc/tests/gsm0408/gsm0408_test.c
@@ -85,12 +85,12 @@
 	/* imsi code */
 	mi_len = gsm48_generate_mid_from_imsi(mi, imsi_odd);
 	gsm48_mi_to_string(mi_parsed, sizeof(mi_parsed), mi + 2, mi_len -2);
-	printf("hex: %s\n", hexdump(mi, mi_len));
+	printf("hex: %s\n", osmo_hexdump(mi, mi_len));
 	COMPARE_STR(mi_parsed, imsi_odd);
 
 	mi_len = gsm48_generate_mid_from_imsi(mi, imsi_even);
 	gsm48_mi_to_string(mi_parsed, sizeof(mi_parsed), mi + 2, mi_len -2);
-	printf("hex: %s\n", hexdump(mi, mi_len));
+	printf("hex: %s\n", osmo_hexdump(mi, mi_len));
 	COMPARE_STR(mi_parsed, imsi_even);
 }