diff --git a/isabel/slurm/flake.nix b/isabel/slurm/flake.nix
index 662bc2d..61af701 100644
--- a/isabel/slurm/flake.nix
+++ b/isabel/slurm/flake.nix
@@ -26,7 +26,8 @@
       pname = "devshell";
       buildInputs = with pkgs; [
         slurm.out slurm.dev gcc
-        stdenvClangOmpss2
+        clangOmpss2
+        nanos6
       ];
       inputsFrom = with pkgs; [
         nanos6
diff --git a/isabel/slurm/llvmTest.c b/isabel/slurm/llvmTest.c
new file mode 100644
index 0000000..b475378
--- /dev/null
+++ b/isabel/slurm/llvmTest.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main()
+{
+	#pragma oss task node(0)
+    {
+        printf("Tasking\n");
+    }
+    #pragma oss taskwait
+    printf("Past the task\n");
+    return 0;
+}