diff --git a/include/ck_tile/ops/gemm/kernel/streamk_gemm/streamk_gemm_kernel.hpp b/include/ck_tile/ops/gemm/kernel/streamk_gemm/streamk_gemm_kernel.hpp
index 87fef5089a..dc522c610b 100644
--- a/include/ck_tile/ops/gemm/kernel/streamk_gemm/streamk_gemm_kernel.hpp
+++ b/include/ck_tile/ops/gemm/kernel/streamk_gemm/streamk_gemm_kernel.hpp
@@ -515,7 +515,7 @@ struct StreamKKernel
             }
             else
             {
-                static_assert(
+                static_assert(false,
                     "An implementation does not exist for the chosen reduction strategy.");
             }