diff --git a/Control/CxxUtils/CxxUtils/vec.h b/Control/CxxUtils/CxxUtils/vec.h
index db70b62758bd2193b6a692d0b3767934c0854d3c..3ab1c057ea22d5f8706e0ad97e5793f807c97ae2 100644
--- a/Control/CxxUtils/CxxUtils/vec.h
+++ b/Control/CxxUtils/CxxUtils/vec.h
@@ -557,7 +557,7 @@ vblend(VEC& dst, const VEC& src1, const VEC& src2)
     "blend indices outside allowed range");
 
 #if !HAVE_VECTOR_SIZE_ATTRIBUTE || WANT_VECTOR_FALLBACK
-  size_t pos{ 0 };;
+  size_t pos{ 0 };
   for (size_t i : { Indices... }) {
     if (i < N) {
       dst[pos] = src1[i];