diff --git a/unit_tests/falco/test_configuration_schema.cpp b/unit_tests/falco/test_configuration_schema.cpp
index b6eef499e9e..b0af76fc4e5 100644
--- a/unit_tests/falco/test_configuration_schema.cpp
+++ b/unit_tests/falco/test_configuration_schema.cpp
@@ -23,7 +23,7 @@ limitations under the License.
         do { \
 		for(const auto& pair : res) { \
 			auto validation_status = pair.second; \
-			EXPECT_TRUE(sinsp_utils::startswith(validation_status, status)); \
+			EXPECT_TRUE(sinsp_utils::startswith(validation_status, status)) << validation_status; \
 		}                                           \
 	} \
 	while (0)