diff --git a/src/rev.cpp.in b/src/rev.cpp.in
index 16a1e7a018..e453c1b210 100644
--- a/src/rev.cpp.in
+++ b/src/rev.cpp.in
@@ -83,3 +83,5 @@ const byte _openttd_revision_tagged = 1;
  * version, thus making comparisons on specific revisions easy.
  */
 const uint32 _openttd_newgrf_version = 1 << 28 | 10 << 24 | 0 << 20 | 0 << 19 | 28004;
+
+const char _citymania_version[] = "!!VERSION!! !!DATE!!";