diff --git a/base-codezero/Makefile b/base-codezero/Makefile
index 721041d67..cd8830e4f 100644
--- a/base-codezero/Makefile
+++ b/base-codezero/Makefile
@@ -6,7 +6,7 @@
 
 VERBOSE    ?= @
 ECHO        = @echo
-GIT_URL     = git://git.l4dev.org/codezero.git
+GIT_URL     = http://git.l4dev.org/codezero.git
 GIT_REV     = 6fa4884a5a1cf6207372f69ae01e5faa6d5a39c8
 CONTRIB_DIR = contrib
 PATCHES     = $(shell find patches -name *.patch)
diff --git a/base-nova/Makefile b/base-nova/Makefile
index 41f20a5ad..801531747 100644
--- a/base-nova/Makefile
+++ b/base-nova/Makefile
@@ -7,7 +7,7 @@
 
 VERBOSE     ?= @
 ECHO        = @echo
-GIT_URL     = git://github.com/IntelLabs/NOVA.git 
+GIT_URL     = https://github.com/IntelLabs/NOVA.git 
 GIT_REV     = ad92f48564b1ed53e67f58e194c918af4da6a32d
 CONTRIB_DIR = contrib
 PATCHES     = $(shell find patches -name '*.patch')
diff --git a/dde_ipxe/Makefile b/dde_ipxe/Makefile
index 4b18403bf..7d74e1237 100644
--- a/dde_ipxe/Makefile
+++ b/dde_ipxe/Makefile
@@ -7,7 +7,7 @@
 
 VERBOSE     ?= @
 ECHO         = @echo
-GIT_URL      = git://git.ipxe.org/ipxe.git
+GIT_URL      = http://git.ipxe.org/ipxe.git
 GIT_REV      = 34a81da0c8dd47628a7408cd3f8d8a926d1ecbee
 CONTRIB_DIR  = contrib
 PATCH_FILE   = patches/dde_ipxe.patch
diff --git a/ports/ports/vancouver.mk b/ports/ports/vancouver.mk
index d50d829aa..6d264acc2 100644
--- a/ports/ports/vancouver.mk
+++ b/ports/ports/vancouver.mk
@@ -1,6 +1,6 @@
 VANCOUVER_REV     = a7f4c2de42247e7a7c6ddb27a48f8a7d93d469ba
 VANCOUVER         = vancouver-git
-VANCOUVER_URL     = git://github.com/TUD-OS/NUL.git
+VANCOUVER_URL     = https://github.com/TUD-OS/NUL.git
 
 #
 # Check for tools