diff --git a/Makefile.common b/Makefile.common
index 1d03a626855..a1ffdc70e37 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -468,7 +468,8 @@ ifdef ENABLE_TOON
 DIST_FILES_ENGINEDATA+=toon.dat
 endif
 ifdef ENABLE_ULTIMA
-DIST_FILES_ENGINEDATA+=ultima.dat ultima8.dat
+DIST_FILES_ENGINEDATA+=ultima.dat
+DIST_FILES_ENGINEDATA+=ultima8.dat
 endif
 ifdef ENABLE_WINTERMUTE
 DIST_FILES_ENGINEDATA+=wintermute.zip