diff --git a/modules/programs/aerospace.nix b/modules/programs/aerospace.nix
index 10bb75e3d..62f33752f 100644
--- a/modules/programs/aerospace.nix
+++ b/modules/programs/aerospace.nix
@@ -154,8 +154,9 @@ in {
               "Commands to run every time a new window is detected with optional conditions.";
           };
           workspace-to-monitor-force-assignment = mkOption {
-            type = with types; attrsOf (oneOf [ int str (listOf str) ]);
-            default = { };
+            type = with types;
+              nullOr (attrsOf (oneOf [ int str (listOf str) ]));
+            default = null;
             description = ''
               Map workspaces to specific monitors.
               Left-hand side is the workspace name, and right-hand side is the monitor pattern.
diff --git a/tests/modules/programs/aerospace/settings-expected.toml b/tests/modules/programs/aerospace/settings-expected.toml
index d38cba45e..b46ebad41 100644
--- a/tests/modules/programs/aerospace/settings-expected.toml
+++ b/tests/modules/programs/aerospace/settings-expected.toml
@@ -25,5 +25,3 @@ alt-h = "focus left"
 alt-j = "focus down"
 alt-k = "focus up"
 alt-l = "focus right"
-
-[workspace-to-monitor-force-assignment]