diff --git a/app/stub_build_all_ipc4.conf b/app/stub_build_all_ipc4.conf
index f111940b17b6..178b70388c01 100644
--- a/app/stub_build_all_ipc4.conf
+++ b/app/stub_build_all_ipc4.conf
@@ -1,5 +1,5 @@
--DCONFIG_COMP_STUBS=y
--DCONFIG_COMP_ARIA=y
--DCONFIG_COMP_CHAIN_DMA=y
--DCONFIG_COMP_UP_DOWN_MIXER=y
--DCONFIG_IPC_MAJOR_4=y
+CONFIG_COMP_STUBS=y
+CONFIG_COMP_ARIA=y
+CONFIG_COMP_CHAIN_DMA=y
+CONFIG_COMP_UP_DOWN_MIXER=y
+CONFIG_IPC_MAJOR_4=y
diff --git a/scripts/fuzz.sh b/scripts/fuzz.sh
index d999beeb476a..fb3a4c9440fb 100755
--- a/scripts/fuzz.sh
+++ b/scripts/fuzz.sh
@@ -85,7 +85,7 @@ main()
   fi
 
   west build -d build-fuzz -b native_posix "$SOF_TOP"/app/ -- \
-      "${fuzz_configs[@]}" "$overlay_config" "$@"
+      "${fuzz_configs[@]}" $overlay_config "$@"
 
   if [ $BUILD_ONLY -eq 1 ]; then
       exit