diff --git a/Mk/Uses/kde.mk b/Mk/Uses/kde.mk
index 716e0abef6ba..21a541dc5a66 100644
--- a/Mk/Uses/kde.mk
+++ b/Mk/Uses/kde.mk
@@ -189,6 +189,8 @@ IGNORE?=		unknown CATEGORY value '${_KDE_CATEGORY}' #'
 .    endif #defined(_KDE_CATEGORY)
 
 # ==============================================================================
+# === SET UP LOCALE ENVIRONMENT =================================================
+USE_LOCALE?=	en_US.UTF-8
 
 # === SET UP CMAKE ENVIRONMENT =================================================
 # Help cmake to find files when testing ports with non-default PREFIX.