diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c b/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c
index 3d0c30d..8553113 100644
--- a/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c
+++ b/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c
@@ -1279,7 +1279,7 @@
 		talloc_free(regexp);
 		if (regcomp(&entry->num_reg, cfg_entry->option, REG_EXTENDED) != 0) {
 			LOGP(DNAT, LOGL_ERROR,
-				"Failed to compile regexp '%s\n'", cfg_entry->option);
+				"Failed to compile regexp '%s'\n", cfg_entry->option);
 			regfree(&entry->msisdn_reg);
 			talloc_free(entry);
 			continue;