diff --git a/cpp/src/detail/jit_lto/AlgorithmLauncher.cpp b/cpp/src/detail/jit_lto/AlgorithmLauncher.cpp
index 55273979ad..ed1853db93 100644
--- a/cpp/src/detail/jit_lto/AlgorithmLauncher.cpp
+++ b/cpp/src/detail/jit_lto/AlgorithmLauncher.cpp
@@ -37,12 +37,13 @@ AlgorithmLauncher& AlgorithmLauncher::operator=(AlgorithmLauncher&& other) noexc
 void AlgorithmLauncher::call(
   cudaStream_t stream, dim3 grid, dim3 block, std::size_t shared_mem, void** kernel_args)
 {
-  cudaLaunchConfig_t config;
+  cudaLaunchConfig_t config{};
   config.gridDim          = grid;
   config.blockDim         = block;
   config.stream           = stream;
   config.dynamicSmemBytes = shared_mem;
   config.numAttrs         = 0;
+  config.attrs            = NULL;
 
   RAFT_CUDA_TRY(cudaLaunchKernelExC(&config, kernel, kernel_args));
 }