diff --git a/device-redfin.mk b/device-redfin.mk
index 6d6d43a..df1b668 100644
--- a/device-redfin.mk
+++ b/device-redfin.mk
@@ -44,11 +44,11 @@ DEVICE_PACKAGE_OVERLAYS += device/google/redfin/redfin/overlay
 # Audio XMLs for redfin
 ifeq ($(wildcard vendor/google_fih/redfin/factory/prebuilt/ftm.mk),)
 PRODUCT_COPY_FILES += \
-    $(foreach f,$(shell find $(LOCAL_PATH)/audio/ -type f -name "audio_platform_info*.xml"),$(f):$(TARGET_COPY_OUT_VENDOR)/etc/$(notdir $(f)))
+    $(call find-copy-subdir-files,audio_platform_info*.xml,$(LOCAL_PATH)/audio,$(TARGET_COPY_OUT_VENDOR)/etc)
 endif
 
 PRODUCT_COPY_FILES += \
-    $(foreach f,$(shell find $(LOCAL_PATH)/audio/ -type f -name "mixer_paths*.xml"),$(f):$(TARGET_COPY_OUT_VENDOR)/etc/$(notdir $(f))) \
+    $(call find-copy-subdir-files,mixer_paths*.xml,$(LOCAL_PATH)/audio,$(TARGET_COPY_OUT_VENDOR)/etc) \
     $(LOCAL_PATH)/audio/sound_trigger_mixer_paths.xml:$(TARGET_COPY_OUT_VENDOR)/etc/sound_trigger_mixer_paths.xml \
     $(LOCAL_PATH)/audio_policy_volumes.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_policy_volumes.xml \
     $(LOCAL_PATH)/audio/audio_policy_configuration.xml:$(TARGET_COPY_OUT_VENDOR)/etc/audio_policy_configuration.xml \