diff --git a/nullgame.R b/nullgame.R
index 941623c..721d19c 100644
--- a/nullgame.R
+++ b/nullgame.R
@@ -9,4 +9,4 @@
 # ever fails to compile, so it's important that it should actually
 # be built on a regular basis.
 nullgame : [X] GTK COMMON nullgame nullgame-icon|no-icon
-nullgame : [G] WINDOWS COMMON nullgame
+nullgame : [G] WINDOWS COMMON nullgame nullgame.res?
diff --git a/unfinished/pearl.R b/unfinished/pearl.R
index a5d0625..45ab0af 100644
--- a/unfinished/pearl.R
+++ b/unfinished/pearl.R
@@ -2,9 +2,9 @@
 
 PEARL    = pearl dsf
 
-pearl    : [X] GTK COMMON PEARL
+pearl    : [X] GTK COMMON PEARL pearl-icon|no-icon
 
-pearl    : [G] WINDOWS COMMON PEARL
+pearl    : [G] WINDOWS COMMON PEARL pearl.res?
 
 ALL += PEARL
 
diff --git a/unfinished/sokoban.R b/unfinished/sokoban.R
index 8d71a82..5925348 100644
--- a/unfinished/sokoban.R
+++ b/unfinished/sokoban.R
@@ -1,8 +1,8 @@
 # -*- makefile -*-
 
-sokoban  : [X] GTK COMMON sokoban
+sokoban  : [X] GTK COMMON sokoban sokoban-icon|no-icon
 
-sokoban  : [G] WINDOWS COMMON sokoban
+sokoban  : [G] WINDOWS COMMON sokoban sokoban.res?
 
 ALL += sokoban