diff --git a/math/matrix/src/TVectorT.cxx b/math/matrix/src/TVectorT.cxx
index 3e3210aa1ec78..5bbfbc5efd1d3 100644
--- a/math/matrix/src/TVectorT.cxx
+++ b/math/matrix/src/TVectorT.cxx
@@ -270,7 +270,7 @@ TVectorT<Element>::TVectorT(Int_t lwb,Int_t upb,Element iv1, ...)
    Allocate(upb-lwb+1,lwb);
 
    va_list args;
-   va_start(args,va_(iv1));             // Init 'args' to the beginning of
+   va_start(args,iv1);             // Init 'args' to the beginning of
                                         // the variable length list of args
 
    (*this)(lwb) = iv1;
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index e241a727f294d..dad75cf344245 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -306,6 +306,8 @@ if(ROOT_vc_FOUND)
   ROOT_ADD_CXX_FLAG(vc_flags -Wno-unused-parameter)
   ROOT_ADD_CXX_FLAG(vc_flags -Wno-missing-braces)
   ROOT_ADD_CXX_FLAG(vc_flags -Wno-conditional-uninitialized)
+  ROOT_ADD_CXX_FLAG(vc_flags -Wno-mismatched-tags)
+  ROOT_ADD_CXX_FLAG(vc_flags -Wno-undefined-var-template)
   set_source_files_properties(testVc.cxx PROPERTIES COMPILE_FLAGS "${vc_flags}")
   ROOT_EXECUTABLE(testVc testVc.cxx LIBRARIES ${Vc_LIBRARIES})
   ROOT_ADD_TEST(test-Vc COMMAND testVc FAILREGEX "FAILED|Error in")