diff --git a/lib/igt_core.c b/lib/igt_core.c
index 26b360f2..b7bd1692 100644
--- a/lib/igt_core.c
+++ b/lib/igt_core.c
@@ -1220,6 +1220,9 @@ void igt_log(enum igt_log_level level, const char *format, ...)
 
 	assert(format);
 
+	if (list_subtests)
+		return;
+
 	if (igt_log_level > level)
 		return;
 
@@ -1249,6 +1252,9 @@ void igt_vlog(enum igt_log_level level, const char *format, va_list args)
 {
 	assert(format);
 
+	if (list_subtests)
+		return;
+
 	if (igt_log_level > level)
 		return;