diff --git a/.cirrus.yml b/.cirrus.yml
index 754d0f6..ec1a317 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -34,7 +34,7 @@ task:
 
     - name: flake
       build_script:
-        - nix flake check
+        - nix flake check --all-systems
         - ./test/nixos-search/ci-test.sh
 
     - name: shellcheck
diff --git a/test/run-tests.sh b/test/run-tests.sh
index d76f0a6..09caffe 100755
--- a/test/run-tests.sh
+++ b/test/run-tests.sh
@@ -263,7 +263,7 @@ isNixVersionGreaterEqual_2_15() {
 }
 
 flake() {
-    nix flake check "$scriptDir/.."
+    nix flake check --all-systems "$scriptDir/.."
 }
 
 # Test generating module documentation for search.nixos.org