diff --git a/src/gcc-mpc.mk b/src/gcc-mpc.mk
index bb8891b0..608f292a 100644
--- a/src/gcc-mpc.mk
+++ b/src/gcc-mpc.mk
@@ -6,7 +6,7 @@ $(PKG)_IGNORE   :=
 $(PKG)_CHECKSUM := 229722d553030734d49731844abfef7617b64f1a
 $(PKG)_SUBDIR   := mpc-$($(PKG)_VERSION)
 $(PKG)_FILE     := mpc-$($(PKG)_VERSION).tar.gz
-$(PKG)_URL      := $($(PKG)_WEBSITE)/mpc/download/$($(PKG)_FILE)
+$(PKG)_URL      := http://www.multiprecision.org/mpc/download/$($(PKG)_FILE)
 $(PKG)_URL_2    := http://ftp.debian.org/debian/pool/main/m/mpclib/mpclib_$($(PKG)_VERSION).orig.tar.gz
 $(PKG)_DEPS     :=
 
diff --git a/src/vigra.mk b/src/vigra.mk
index bdc26341..3f92d6dd 100644
--- a/src/vigra.mk
+++ b/src/vigra.mk
@@ -6,7 +6,7 @@ $(PKG)_IGNORE   :=
 $(PKG)_CHECKSUM := 09f1d506c2748ebeb7d9f1c77ce387f9e7b837d2
 $(PKG)_SUBDIR   := vigra-$(word 1,$(subst -, ,$($(PKG)_VERSION)))
 $(PKG)_FILE     := vigra-$($(PKG)_VERSION)-src.tar.gz
-$(PKG)_URL      := $($(PKG)_WEBSITE)/$($(PKG)_FILE)
+$(PKG)_URL      := http://hci.iwr.uni-heidelberg.de/vigra/$($(PKG)_FILE)
 $(PKG)_DEPS     := gcc jpeg tiff libpng openexr
 
 define $(PKG)_UPDATE
diff --git a/src/vtk.mk b/src/vtk.mk
index 3e5a2f71..4191cb3e 100644
--- a/src/vtk.mk
+++ b/src/vtk.mk
@@ -6,7 +6,7 @@ $(PKG)_IGNORE   :=
 $(PKG)_CHECKSUM := ece52f4fa92811fe927581e60ecb39a8a5f68cd9
 $(PKG)_SUBDIR   := VTK
 $(PKG)_FILE     := $(PKG)-$($(PKG)_VERSION).tar.gz
-$(PKG)_URL      := $($(PKG)_WEBSITE)files/release/5.8/$($(PKG)_FILE)
+$(PKG)_URL      := http://www.vtk.org/files/release/5.8/$($(PKG)_FILE)
 $(PKG)_DEPS     := qt expat freetype jpeg libxml2 libpng tiff zlib libodbc++ postgresql
 
 define $(PKG)_UPDATE