diff --git a/toolchains/a100.leonardo.spack/toolchain.cmake b/toolchains/a100.leonardo.spack/toolchain.cmake
index f2cf93bd6..412b02b89 100644
--- a/toolchains/a100.leonardo.spack/toolchain.cmake
+++ b/toolchains/a100.leonardo.spack/toolchain.cmake
@@ -5,7 +5,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/../cicd_default_toolchain.cmake)
 set(CMAKE_BUILD_TYPE Release)
 
 # Compiler options
-set(CMAKE_CXX_COMPILER ${PROJECT_SOURCE_DIR}/vendor/kokkos/bin/nvcc_wrapper)
+set(CMAKE_CXX_COMPILER ${CMAKE_CURRENT_LIST_DIR}/../../vendor/kokkos/bin/nvcc_wrapper)
 set(CMAKE_CXX_FLAGS "-Wall -Wno-sign-compare --Werror cross-execution-space-call -Xcudafe --diag_suppress=unsigned_compare_with_zero -Xcudafe --diag_suppress=integer_sign_change")
 
 # Gyselalibxx options
diff --git a/toolchains/v100.persee/debug_toolchain.cmake b/toolchains/v100.persee/debug_toolchain.cmake
index 3af06ac7d..a8693ba77 100644
--- a/toolchains/v100.persee/debug_toolchain.cmake
+++ b/toolchains/v100.persee/debug_toolchain.cmake
@@ -5,7 +5,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/../cicd_default_toolchain.cmake)
 set(CMAKE_BUILD_TYPE Debug)
 
 # Compiler options
-set(CMAKE_CXX_COMPILER ${PROJECT_SOURCE_DIR}/vendor/kokkos/bin/nvcc_wrapper)
+set(CMAKE_CXX_COMPILER ${CMAKE_CURRENT_LIST_DIR}/../../vendor/kokkos/bin/nvcc_wrapper)
 set(CMAKE_CXX_FLAGS "-g -Wall -Werror -Wno-sign-compare -Xcudafe --diag_suppress=unsigned_compare_with_zero -Xcudafe --diag_suppress=integer_sign_change")
 
 # Kokkos options
diff --git a/toolchains/v100.persee/toolchain.cmake b/toolchains/v100.persee/toolchain.cmake
index f4d8a4014..4d60bb7fc 100644
--- a/toolchains/v100.persee/toolchain.cmake
+++ b/toolchains/v100.persee/toolchain.cmake
@@ -5,7 +5,7 @@ include(${CMAKE_CURRENT_LIST_DIR}/../cicd_default_toolchain.cmake)
 set(CMAKE_BUILD_TYPE Release)
 
 # Compiler options
-set(CMAKE_CXX_COMPILER ${PROJECT_SOURCE_DIR}/vendor/kokkos/bin/nvcc_wrapper)
+set(CMAKE_CXX_COMPILER ${CMAKE_CURRENT_LIST_DIR}/../../vendor/kokkos/bin/nvcc_wrapper)
 set(CMAKE_CXX_FLAGS "-Wall -Wno-sign-compare --Werror cross-execution-space-call -Xcudafe --diag_suppress=unsigned_compare_with_zero -Xcudafe --diag_suppress=integer_sign_change")
 
 # Gyselalibxx options