diff --git a/tests/sms/sms_test.c b/tests/sms/sms_test.c
index 755b321..cdd4158 100644
--- a/tests/sms/sms_test.c
+++ b/tests/sms/sms_test.c
@@ -31,6 +31,11 @@
 #include <osmocom/core/msgb.h>
 #include <osmocom/core/utils.h>
 
+#include <osmocom/core/logging.h>
+#include <osmocom/core/application.h>
+
+struct log_info fake_log_info = {};
+
 struct test_case {
 	const uint8_t *input;
 	const uint16_t input_length;
@@ -278,6 +283,9 @@
 	int nchars;
 	char result[256];
 
+	/* Fake logging. */
+	osmo_init_logging(&fake_log_info);
+
 	/* test 7-bit encoding */
 	for (i = 0; i < ARRAY_SIZE(test_encode); ++i) {
 		/* Test legacy function (return value only) */