diff --git a/.builds/openbsd_2.yml b/.builds/openbsd_2.yml
index 4b63e914d7..d09a59f4a5 100644
--- a/.builds/openbsd_2.yml
+++ b/.builds/openbsd_2.yml
@@ -18,7 +18,7 @@ environment:
 tasks:
 - setup: |
     cd Nim
-    git clone --depth 1 -q https://github.com/nim-lang/csources.git
+    git clone --depth 1 -q https://github.com/nim-lang/csources_v1.git csources
     gmake -C csources -j $(sysctl -n hw.ncpuonline)
     bin/nim c koch
     echo 'export PATH=$HOME/Nim/bin:$PATH' >> $HOME/.buildenv
diff --git a/.travis.yml b/.travis.yml
index 4c4c35334b..2bdb0580c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,7 +22,7 @@ addons:
     - valgrind
 
 before_script:
-  - git clone --depth 1 https://github.com/nim-lang/csources.git
+  - git clone --depth 1 https://github.com/nim-lang/csources_v1.git csources
   - export PATH="$PWD/bin${PATH:+:$PATH}"
   - make -C csources -j 2 LD=$CC ucpu=$CPU
 
diff --git a/tools/ci_generate.nim b/tools/ci_generate.nim
index dba10d74af..68f6096d2e 100644
--- a/tools/ci_generate.nim
+++ b/tools/ci_generate.nim
@@ -34,7 +34,7 @@ environment:
 tasks:
 - setup: |
     cd Nim
-    git clone --depth 1 -q https://github.com/nim-lang/csources.git
+    git clone --depth 1 -q https://github.com/nim-lang/csources_v1.git csources
     gmake -C csources -j $(sysctl -n hw.ncpuonline)
     bin/nim c koch
     echo 'export PATH=$HOME/Nim/bin:$PATH' >> $HOME/.buildenv