diff --git a/kde-frameworks/kunitconversion/kunitconversion-5.65.0.ebuild b/kde-frameworks/kunitconversion/kunitconversion-5.65.0.ebuild
index f917fa757d64e..c5e56faf09c8e 100644
--- a/kde-frameworks/kunitconversion/kunitconversion-5.65.0.ebuild
+++ b/kde-frameworks/kunitconversion/kunitconversion-5.65.0.ebuild
@@ -24,5 +24,5 @@ src_test() {
 		-E "(convertertest)"
 	)
 
-	ecm_src_test
+	LC_NUMERIC="C" ecm_src_test # bug 694804
 }