diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 8732affbd0..ef038ccd94 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -266,7 +266,7 @@ jobs:
           CARGO_FEATURES="--features testing"
           if [[ $BUILD_TYPE == "debug" ]]; then
             cov_prefix="scripts/coverage --profraw-prefix=$GITHUB_JOB --dir=/tmp/coverage run"
-            make_prefix="CC=clang CARGO_BUILD_FLAGS=${CARGO_FEATURES}"
+            make_prefix="CC=clang CARGO_BUILD_FLAGS=\"--features testing\""
             CARGO_FLAGS="--locked"
             ASAN_OPTIONS="detect_leaks=0:abort_on_error=1:print_stacktrace=1:disable_coredump=0:\
           strict_string_checks=1:check_initialization_order=1:strict_init_order=1:detect_stack_use_after_return=0"