diff --git a/config/common.mk b/config/common.mk
index 0cbd4be..5fe20eb 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -13,17 +13,17 @@
     ro.com.google.clientidbase=$(PRODUCT_GMS_CLIENTID_BASE)
 endif
 
-ifeq ($(TARGET_BUILD_VARIANT),eng)
+ifneq ($(TARGET_BUILD_VARIANT),user)
 # Disable ADB authentication
 PRODUCT_SYSTEM_DEFAULT_PROPERTIES += ro.adb.secure=0
 else
 # Enable ADB authentication
 PRODUCT_SYSTEM_DEFAULT_PROPERTIES += ro.adb.secure=1
+endif
 
 # Enable one-handed mode
 PRODUCT_PRODUCT_PROPERTIES += \
     ro.support_one_handed_mode=true
-endif
 
 # Backup Tool
 PRODUCT_COPY_FILES += \