diff --git a/src/logging.c b/src/logging.c
index 5336e5382..1a0abc2f3 100644
--- a/src/logging.c
+++ b/src/logging.c
@@ -586,6 +586,7 @@ static int _output_buf(char *buf, int buf_len, struct log_target *target, unsign
 			break;
 		case LOG_FILENAME_PATH:
 			offset--;
+			len--;
 			ret = snprintf(buf + offset, rem, " (%s:%d)\n", file, line);
 			if (ret < 0)
 				goto err;
@@ -593,6 +594,7 @@ static int _output_buf(char *buf, int buf_len, struct log_target *target, unsign
 			break;
 		case LOG_FILENAME_BASENAME:
 			offset--;
+			len--;
 			ret = snprintf(buf + offset, rem, " (%s:%d)\n", const_basename(file), line);
 			if (ret < 0)
 				goto err;
diff --git a/tests/logging/logging_test_wqueue.err b/tests/logging/logging_test_wqueue.err
index 3e2008ba8..01ab87827 100644
Binary files a/tests/logging/logging_test_wqueue.err and b/tests/logging/logging_test_wqueue.err differ