diff --git a/exporters/prometheus/exporter_test.go b/exporters/prometheus/exporter_test.go
index 63f41e5e1f6..751ae591306 100644
--- a/exporters/prometheus/exporter_test.go
+++ b/exporters/prometheus/exporter_test.go
@@ -557,7 +557,7 @@ func TestDuplicateMetrics(t *testing.T) {
 					break
 				}
 			}
-			require.Equal(t, match, true, err)
+			require.Truef(t, match, "expected export not produced: %v", err)
 		})
 	}
 }