diff --git a/config/common.mk b/config/common.mk
index a0e49cab..ea5dcaa 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -244,11 +244,12 @@
 
 PRODUCT_VERSION_MAJOR = 13
 PRODUCT_VERSION_MINOR = 0
+PRODUCT_VERSION_MAINTENANCE := 1
+
 ifeq ($(TARGET_VENDOR_SHOW_MAINTENANCE_VERSION),true)
-    PRODUCT_VERSION_MAINTENANCE := 1
+    CM_VERSION_MAINTENANCE := $(PRODUCT_VERSION_MAINTENANCE)
 else
-    # 0 is ignored
-    PRODUCT_VERSION_MAINTENANCE := 0
+    CM_VERSION_MAINTENANCE := 0
 endif
 
 # Set CM_BUILDTYPE from the env RELEASE_TYPE, for jenkins compat
@@ -304,20 +305,20 @@
         CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)$(PRODUCT_VERSION_DEVICE_SPECIFIC)-$(CM_BUILD)
     else
         ifeq ($(TARGET_BUILD_VARIANT),user)
-            ifeq ($(PRODUCT_VERSION_MAINTENANCE),0)
+            ifeq ($(CM_VERSION_MAINTENANCE),0)
                 CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR)-$(TARGET_VENDOR_RELEASE_BUILD_ID)-$(CM_BUILD)
             else
-                CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-$(TARGET_VENDOR_RELEASE_BUILD_ID)-$(CM_BUILD)
+                CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(CM_VERSION_MAINTENANCE)-$(TARGET_VENDOR_RELEASE_BUILD_ID)-$(CM_BUILD)
             endif
         else
             CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)$(PRODUCT_VERSION_DEVICE_SPECIFIC)-$(CM_BUILD)
         endif
     endif
 else
-    ifeq ($(PRODUCT_VERSION_MAINTENANCE),0)
+    ifeq ($(CM_VERSION_MAINTENANCE),0)
         CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR)-$(shell date -u +%Y%m%d)-$(CM_BUILDTYPE)$(CM_EXTRAVERSION)-$(CM_BUILD)
     else
-        CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-$(shell date -u +%Y%m%d)-$(CM_BUILDTYPE)$(CM_EXTRAVERSION)-$(CM_BUILD)
+        CM_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(CM_VERSION_MAINTENANCE)-$(shell date -u +%Y%m%d)-$(CM_BUILDTYPE)$(CM_EXTRAVERSION)-$(CM_BUILD)
     endif
 endif
 
@@ -345,10 +346,10 @@
     else
       TARGET_VENDOR_RELEASE_BUILD_ID := $(TARGET_VENDOR_RELEASE_BUILD_ID)
     endif
-    ifeq ($(PRODUCT_VERSION_MAINTENANCE),0)
+    ifeq ($(CM_VERSION_MAINTENANCE),0)
         CM_DISPLAY_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR)-$(TARGET_VENDOR_RELEASE_BUILD_ID)-$(CM_BUILD)
     else
-        CM_DISPLAY_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-$(TARGET_VENDOR_RELEASE_BUILD_ID)-$(CM_BUILD)
+        CM_DISPLAY_VERSION := $(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(CM_VERSION_MAINTENANCE)-$(TARGET_VENDOR_RELEASE_BUILD_ID)-$(CM_BUILD)
     endif
 endif
 endif