diff --git a/build.bat b/build.bat
index 0b70d867d..b7191f94b 100644
--- a/build.bat
+++ b/build.bat
@@ -68,7 +68,7 @@ set compiler_defines= -DODIN_VERSION_RAW=\"%odin_version_raw%\"
 rem fileversion is defined as {Major,Minor,Build,Private: u16} so a bit limited
 set rc_flags=-nologo ^
 -DV1=%V1% -DV2=%V2% -DV3=%V3% -DV4=%V4% ^
--DVF=%odin_version_full%
+-DVF=%odin_version_full% -Dnightly=%nightly%
 
 if not exist .git\ goto skip_git_hash
 for /f "tokens=1,2" %%i IN ('git show "--pretty=%%cd %%h" "--date=format:%%Y-%%m" --no-patch --no-notes HEAD') do (
diff --git a/misc/odin.rc b/misc/odin.rc
index e45d6661b..9e605f6dc 100644
--- a/misc/odin.rc
+++ b/misc/odin.rc
@@ -30,6 +30,9 @@ LANGUAGE LANG_ENGLISH, SUBLANG_DEFAULT
 #ifndef GIT_SHA
 #define GIT_SHA 0
 #endif
+#ifndef NIGHTLY
+#define NIGHTLY 0
+#endif
 
 #define Q(x) #x
 #define QUOTE(x) Q(x)
@@ -62,6 +65,7 @@ BEGIN
             VALUE "Comments", QUOTE(git-sha: GIT_SHA)
 			// custom values
             VALUE "GitSha", QUOTE(GIT_SHA)
+            VALUE "NightlyBuild", QUOTE(NIGHTLY)
         END
     END
     BLOCK "VarFileInfo"