2 files changed, 3 insertions, 2 deletions
diff --git a/tools/manta-call.nix b/tools/manta-call.nix
index e230a40..099d5e6 100644
--- a/tools/manta-call.nix
+++ b/tools/manta-call.nix
@@ -34,7 +34,8 @@ stage {
       --runDir=$TMPDIR \
       --referenceFasta=ref.fa \
       ${flags}
-    ./runWorkflow.py
+    ./runWorkflow.py -j $NIX_BUILD_CORES
     cp -r results $out
   '';
+  passthru.multicore = true;
 }
diff --git a/tools/manta.nix b/tools/manta.nix
index aa8b762..8136fa7 100644
--- a/tools/manta.nix
+++ b/tools/manta.nix
@@ -3,5 +3,5 @@
 with bionix;
 
 {
-  call = callBionix ./manta-call.nix;
+  call = callBionixE ./manta-call.nix;
 }