diff --git a/cmake/TrMacros.cmake b/cmake/TrMacros.cmake
index 997a60620..ed0340987 100644
--- a/cmake/TrMacros.cmake
+++ b/cmake/TrMacros.cmake
@@ -173,6 +173,7 @@ macro(tr_add_external_auto_library ID DIRNAME LIBNAME)
             PREFIX "${${ID}_PREFIX}"
             CMAKE_ARGS
                 -Wno-dev # We don't want to be warned over unused variables
+                --no-warn-unused-cli
                 "-DCMAKE_TOOLCHAIN_FILE:PATH=${CMAKE_TOOLCHAIN_FILE}"
                 "-DCMAKE_USER_MAKE_RULES_OVERRIDE=${CMAKE_USER_MAKE_RULES_OVERRIDE}"
                 "-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}"