diff --git a/benchmarks/kdiskmark/Makefile b/benchmarks/kdiskmark/Makefile
index d866001a95f1..e0f8b39534e7 100644
--- a/benchmarks/kdiskmark/Makefile
+++ b/benchmarks/kdiskmark/Makefile
@@ -15,7 +15,7 @@ USE_GITHUB=	yes
 GH_ACCOUNT=	JonMagon
 GH_PROJECT=	KDiskMark
 
-USES=		cmake kde:5 qt:5
+USES=		cmake compiler:c++11-lang kde:5 qt:5
 USE_QT=		buildtools_build linguisttools_build qmake_build \
 		core gui widgets
 USE_KDE=	auth coreaddons