diff --git a/target/crystal/build.sh b/target/crystal/build.sh
index 6fd041a74..22ace9112 100644
--- a/target/crystal/build.sh
+++ b/target/crystal/build.sh
@@ -13,7 +13,7 @@ mkdir -p build/${ROCKCFG_ID}/ROCK/pkgs_sel
 (cd build/${ROCKCFG_ID}/ROCK/pkgs/;
 	ls | xargs ln --target-directory="../pkgs_sel";)
 
-if [ "$ROCKCFG_TARGET_CRYSTAL_REMOVEDOCS" = 1 ]; then
+if [ "$ROCKCFG_TARGET_CRYSTAL_INCLUDEDOCS" != 1 ]; then
 	# :doc packages are nice but in most cases never used
 	(
 		cd build/${ROCKCFG_ID}/ROCK/pkgs_sel/
diff --git a/target/crystal/config.in b/target/crystal/config.in
index 93da16e81..9db9a239c 100644
--- a/target/crystal/config.in
+++ b/target/crystal/config.in
@@ -23,8 +23,8 @@
 bool 'Also build add-on (non-CORE) packages' \
 				ROCKCFG_TARGET_CRYSTAL_BUILDADDONS 0
 
-bool 'Do NOT include documentation on ISO' \
-				ROCKCFG_TARGET_CRYSTAL_REMOVEDOCS 0
+bool 'Include documentation on ISO' \
+				ROCKCFG_TARGET_CRYSTAL_INCLUDEDOCS 1 
 
 if [ $ROCKCFG_TARGET_CRYSTAL_BUILDADDONS = 1 ]
 then
@@ -32,6 +32,7 @@ then
 		-e '/ xfree86 / d' \
 		-e '/ CORE / s/^\(. .........\)./\1-/' \
 		-e '/ CORE / ! s/^\(.\) .........\(.\)/\1 ---------\2/'
+	ROCKCFGSET_DO_REBUILD_STAGE=1
 else
 	pkgfilter sed -e '/ CORE / ! s/^X /O /'
 	ROCKCFGSET_DO_REBUILD_STAGE=0