diff --git a/config/common.mk b/config/common.mk
index 283e154..cdf2e71 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -78,7 +78,7 @@
     vendor/cm/CHANGELOG.mkdn:system/etc/CHANGELOG-CM.txt
 
 # Backup Tool
-ifneq (,$(filter true, $(CYNGN_TARGET) $(EXTERNAL_CLEAN_TARGET)))
+ifeq (,$(filter true, $(CYNGN_TARGET) $(EXTERNAL_CLEAN_TARGET)))
 PRODUCT_COPY_FILES += \
     vendor/cm/prebuilt/common/bin/backuptool.sh:install/bin/backuptool.sh \
     vendor/cm/prebuilt/common/bin/backuptool.functions:install/bin/backuptool.functions \