diff --git a/bsc/llvm-ompss2/clang.nix b/bsc/llvm-ompss2/clang.nix
index 7ea8e60..9bf4978 100644
--- a/bsc/llvm-ompss2/clang.nix
+++ b/bsc/llvm-ompss2/clang.nix
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
 # and specify nanos6 at run time.
 
   src = builtins.fetchGit {
-    url = "git@bscpm02.bsc.es:llvm-ompss/llvm-mono.git";
+    url = "ssh://git@bscpm02.bsc.es/llvm-ompss/llvm-mono.git";
     rev = "38e2e6aac04d40b6b2823751ce25f6b414f52263";
     ref = "master";
   };
diff --git a/bsc/nanos6/git.nix b/bsc/nanos6/git.nix
index 6b5b8cf..b657a4c 100644
--- a/bsc/nanos6/git.nix
+++ b/bsc/nanos6/git.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   cacheline-width = "64";
 
   src = builtins.fetchGit {
-    url = "git@bscpm02.bsc.es:rarias/nanos6";
+    url = "ssh://git@bscpm02.bsc.es/rarias/nanos6";
     rev = "a471bb29023ae526ecfc5db95cf06cabf800d842";
     ref = branch;
   };