diff --git a/src/include/Makefile b/src/include/Makefile
index 4f1da0f16..4087aa054 100644
--- a/src/include/Makefile
+++ b/src/include/Makefile
@@ -25,7 +25,7 @@ MODULE	= include
 
 OBJS	=
 
-HDRS	= actions.h ai.h ccl.h clone.h construct.h cursor.h font.h icons.h \
+HDRS	= actions.h ai.h ccl.h freecraft.h construct.h cursor.h font.h icons.h \
 	  image.h interface.h map.h minimap.h missile.h pathfinder.h player.h \
 	  pud.h tileset.h unit.h unittype.h upgrade.h upgrade_structs.h \
 	  ccl_sound.h sound.h sound_id.h unitsound.h wav.h sound_server.h \