diff --git a/scram-tools.file/tools/alpaka/alpaka-cuda.xml b/scram-tools.file/tools/alpaka/alpaka-cuda.xml
index 64bd97f71bf..1208ebce73f 100644
--- a/scram-tools.file/tools/alpaka/alpaka-cuda.xml
+++ b/scram-tools.file/tools/alpaka/alpaka-cuda.xml
@@ -2,8 +2,8 @@
   <use name="alpaka"/>
   <use name="cuda"/>
   <!-- host comiplation should run with ALPAKA_HOST_ONLY defined -->
-  <flags CXXFLAGS="-DALPAKA_ACC_GPU_CUDA_ENABLED -DALPAKA_HOST_ONLY"/>
-  <flags GENREFLEX_CPPFLAGS="-DALPAKA_ACC_GPU_CUDA_ENABLED -DALPAKA_HOST_ONLY"/>
+  <flags CXXFLAGS="-DALPAKA_ACC_GPU_CUDA_ENABLED -DALPAKA_ACC_GPU_CUDA_ONLY_MODE -DALPAKA_HOST_ONLY"/>
+  <flags GENREFLEX_CPPFLAGS="-DALPAKA_ACC_GPU_CUDA_ENABLED -DALPAKA_ACC_GPU_CUDA_ONLY_MODE -DALPAKA_HOST_ONLY"/>
   <!-- device comiplation should run without ALPAKA_HOST_ONLY defined -->
-  <flags CUDA_FLAGS="-DALPAKA_ACC_GPU_CUDA_ENABLED -UALPAKA_HOST_ONLY"/>
+  <flags CUDA_FLAGS="-DALPAKA_ACC_GPU_CUDA_ENABLED -DALPAKA_ACC_GPU_CUDA_ONLY_MODE -UALPAKA_HOST_ONLY"/>
 </tool>
diff --git a/scram-tools.file/tools/alpaka/alpaka-rocm.xml b/scram-tools.file/tools/alpaka/alpaka-rocm.xml
index d33be6a13b4..393fe1ad690 100644
--- a/scram-tools.file/tools/alpaka/alpaka-rocm.xml
+++ b/scram-tools.file/tools/alpaka/alpaka-rocm.xml
@@ -2,8 +2,8 @@
   <use name="alpaka"/>
   <use name="rocm"/>
   <!-- host comiplation should run with ALPAKA_HOST_ONLY defined -->
-  <flags CXXFLAGS="-DALPAKA_ACC_GPU_HIP_ENABLED -DALPAKA_HOST_ONLY"/>
-  <flags GENREFLEX_CPPFLAGS="-DALPAKA_ACC_GPU_HIP_ENABLED -DALPAKA_HOST_ONLY"/>
+  <flags CXXFLAGS="-DALPAKA_ACC_GPU_HIP_ENABLED -DALPAKA_ACC_GPU_HIP_ONLY_MODE -DALPAKA_HOST_ONLY"/>
+  <flags GENREFLEX_CPPFLAGS="-DALPAKA_ACC_GPU_HIP_ENABLED -DALPAKA_ACC_GPU_HIP_ONLY_MODE -DALPAKA_HOST_ONLY"/>
   <!-- device comiplation should run without ALPAKA_HOST_ONLY defined -->
-  <flags ROCM_FLAGS="-DALPAKA_ACC_GPU_HIP_ENABLED -UALPAKA_HOST_ONLY"/>
+  <flags ROCM_FLAGS="-DALPAKA_ACC_GPU_HIP_ENABLED -DALPAKA_ACC_GPU_HIP_ONLY_MODE -UALPAKA_HOST_ONLY"/>
 </tool>