diff --git a/pkgs/development/cuda-modules/flags.nix b/pkgs/development/cuda-modules/flags.nix
index 139952bc9dfd..ab44ced45232 100644
--- a/pkgs/development/cuda-modules/flags.nix
+++ b/pkgs/development/cuda-modules/flags.nix
@@ -219,7 +219,7 @@ let
       isJetsonBuild =
         let
           requestedJetsonDevices =
-            lists.filter (cap: cudaComputeCapabilityToIsJetson.${cap})
+            lists.filter (cap: cudaComputeCapabilityToIsJetson.${cap} or false)
               cudaCapabilities;
           requestedNonJetsonDevices =
             lists.filter (cap: !(builtins.elem cap requestedJetsonDevices))