diff --git a/external/InstallAnalysisTreeQA.cmake b/external/InstallAnalysisTreeQA.cmake
index 42a1391dbd670abb4fe5dc3a601738f5d4a2c709..1376465a1a9d2ee450497c5962e01a8ad6755ebf 100644
--- a/external/InstallAnalysisTreeQA.cmake
+++ b/external/InstallAnalysisTreeQA.cmake
@@ -29,7 +29,7 @@ ExternalProject_Add(ANALYSISTREEQA
         -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}
         -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
         -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}
-        -DCMAKE_CXX_STANDARD=11
+        -DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}
         -DROOTSYS=${SIMPATH}
         -DBOOST_ROOT=${SIMPATH}
         -DBoost_NO_BOOST_CMAKE=ON