diff --git a/pkgs/development/python-modules/causal-conv1d/default.nix b/pkgs/development/python-modules/causal-conv1d/default.nix
index 8902d04fc0e9..e2dd6730c877 100644
--- a/pkgs/development/python-modules/causal-conv1d/default.nix
+++ b/pkgs/development/python-modules/causal-conv1d/default.nix
@@ -87,6 +87,6 @@ buildPythonPackage rec {
 
     # The package requires either CUDA or ROCm.
     # It doesn't work without either, nor with both.
-    broken = cudaSupport != rocmSupport;
+    broken = cudaSupport == rocmSupport;
   };
 }