diff --git a/Marlin/src/inc/Version.h b/Marlin/src/inc/Version.h
index 62786a87..94ff8a31 100755
--- a/Marlin/src/inc/Version.h
+++ b/Marlin/src/inc/Version.h
@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
- #define CUSTOM_BUILD_VERSION "1.3.0-beta.2
+ #define CUSTOM_BUILD_VERSION "1.3.0-beta.2"
 
 #ifndef STRING_DISTRIBUTION_DATE
   #define STRING_DISTRIBUTION_DATE "2021-08-28"