diff --git a/src/cuda/CUDAStream.cu b/src/cuda/CUDAStream.cu
index c4a5e616..75a8f3c0 100644
--- a/src/cuda/CUDAStream.cu
+++ b/src/cuda/CUDAStream.cu
@@ -253,7 +253,7 @@ __global__ void dot_kernel(const T * a, const T * b, T * sum, int array_size)
   int i = blockDim.x * blockIdx.x + threadIdx.x;
   const size_t local_i = threadIdx.x;
 
-  tb_sum[local_i] = 0.0;
+  tb_sum[local_i] = {};
   for (; i < array_size; i += blockDim.x*gridDim.x)
     tb_sum[local_i] += a[i] * b[i];
 
diff --git a/src/hip/HIPStream.cpp b/src/hip/HIPStream.cpp
index aa64dbd3..ed4ef779 100644
--- a/src/hip/HIPStream.cpp
+++ b/src/hip/HIPStream.cpp
@@ -244,7 +244,7 @@ __global__ void dot_kernel(const T * a, const T * b, T * sum, int array_size)
   const size_t local_i = threadIdx.x;
   size_t i = blockDim.x * blockIdx.x + local_i;
 
-  tb_sum[local_i]{};
+  tb_sum[local_i] = {};
   for (; i < array_size; i += blockDim.x*gridDim.x)
     tb_sum[local_i] += a[i] * b[i];