diff --git a/tests/ecbuild_override_compiler_flags/run-test.sh.in b/tests/ecbuild_override_compiler_flags/run-test.sh.in
index ee9c4197..48c0ef0c 100755
--- a/tests/ecbuild_override_compiler_flags/run-test.sh.in
+++ b/tests/ecbuild_override_compiler_flags/run-test.sh.in
@@ -10,7 +10,7 @@ rm -rf build # cleanup
 mkdir build
 cd build
 
-cmake -DCMAKE_MODULE_PATH=@ECBUILD_MACROS_DIR@ -DECBUILD_LOG_LEVEL=DEBUG -DCMAKE_BUILD_TYPE=BIT -DECBUILD_SOURCE_FLAGS=@CMAKE_CURRENT_SOURCE_DIR@/flags-sourceflags.json ..
+cmake -DCMAKE_MODULE_PATH=@ECBUILD_MACROS_DIR@ -DECBUILD_LOG_LEVEL=DEBUG -DCMAKE_BUILD_TYPE=BIT ..
 
 cd ..
 
@@ -18,5 +18,5 @@ rm -rf build # cleanup
 mkdir build
 cd build
 
-cmake -DCMAKE_MODULE_PATH=@ECBUILD_MACROS_DIR@ -DECBUILD_LOG_LEVEL=DEBUG -DCMAKE_BUILD_TYPE=DEBUG -DECBUILD_SOURCE_FLAGS=@CMAKE_CURRENT_SOURCE_DIR@/flags-sourceflags.json ..
+cmake -DCMAKE_MODULE_PATH=@ECBUILD_MACROS_DIR@ -DECBUILD_LOG_LEVEL=DEBUG -DCMAKE_BUILD_TYPE=DEBUG ..
 
diff --git a/tests/ecbuild_override_compiler_flags/test_ecbuild_override_compiler_flags.cmake b/tests/ecbuild_override_compiler_flags/test_ecbuild_override_compiler_flags.cmake
index 76a1f751..61ab78e1 100644
--- a/tests/ecbuild_override_compiler_flags/test_ecbuild_override_compiler_flags.cmake
+++ b/tests/ecbuild_override_compiler_flags/test_ecbuild_override_compiler_flags.cmake
@@ -4,7 +4,7 @@ find_package( ecbuild 3.6 REQUIRED )
 
 project(OverrideCompilerFlags VERSION 1.0 LANGUAGES C CXX Fortran)
 
-ecbuild_override_compiler_flags( COMPILE_FLAGS compiler_flags.cmake )
+ecbuild_override_compiler_flags( COMPILE_FLAGS ${CMAKE_CURRENT_SOURCE_DIR}/compiler_flags.cmake )
 
 ecbuild_add_library(
    TARGET    overrideflags