diff --git a/src/libcdio.mk b/src/libcdio.mk
index 845f5ab6..09b02ceb 100644
--- a/src/libcdio.mk
+++ b/src/libcdio.mk
@@ -11,7 +11,8 @@ $(PKG)_URL      := http://ftp.gnu.org/gnu/libcdio/$(PKG)-$($(PKG)_VERSION).tar.b
 $(PKG)_DEPS     := gcc
 
 define $(PKG)_UPDATE
-    echo $($(PKG)_VERSION)
+    echo 'TODO: Updates for package libcdio need to be written.' >&2;
+    echo $(libcdio_VERSION)
 endef
 
 define $(PKG)_BUILD
diff --git a/src/mman-win32.mk b/src/mman-win32.mk
index 0f2a81ef..bfe7c8d4 100644
--- a/src/mman-win32.mk
+++ b/src/mman-win32.mk
@@ -2,7 +2,7 @@
 # See index.html for further information.
 
 PKG             := mman-win32
-$(PKG)_IGNORE   := 
+$(PKG)_IGNORE   :=
 $(PKG)_VERSION  := 3421c28e753c38d24a2e27c111b1c9b4601ebe7d
 $(PKG)_CHECKSUM := c33e84043d49d0e33bc434bda3a16ce60432e789
 $(PKG)_SUBDIR   := mman-win32-master
@@ -11,7 +11,8 @@ $(PKG)_URL      := https://github.com/witwall/mman-win32/archive/master.tar.gz
 $(PKG)_DEPS     := gcc
 
 define $(PKG)_UPDATE
-    echo $($(PKG)_VERSION)
+    echo 'TODO: Updates for package mman-win32 need to be written.' >&2;
+    echo $(mman-win32_VERSION)
 endef
 
 define $(PKG)_BUILD
diff --git a/src/vcdimager.mk b/src/vcdimager.mk
index aa2d2f75..a03d4d5c 100644
--- a/src/vcdimager.mk
+++ b/src/vcdimager.mk
@@ -11,7 +11,8 @@ $(PKG)_URL      := http://ftp.gnu.org/gnu/vcdimager/$(PKG)-$($(PKG)_VERSION).tar
 $(PKG)_DEPS     := gcc popt libxml2
 
 define $(PKG)_UPDATE
-    echo $($(PKG)_VERSION)
+    echo 'TODO: Updates for package vcdimager need to be written.' >&2;
+    echo $(vcdimager_VERSION)
 endef
 
 define $(PKG)_BUILD