diff --git a/modules/dream2nix/rust-crane/default.nix b/modules/dream2nix/rust-crane/default.nix
index 9ca3f2107..408be2138 100644
--- a/modules/dream2nix/rust-crane/default.nix
+++ b/modules/dream2nix/rust-crane/default.nix
@@ -60,6 +60,7 @@
     testCargoCommand = cfg.testCommand;
     cargoTestProfile = cfg.testProfile;
     cargoTestFlags = cfg.testFlags;
+    cargoTestExtraArgs = cfg.testFlagsExtra;
     doCheck = cfg.runTests;
 
     # Make sure cargo only checks & builds & tests the package we want
diff --git a/modules/dream2nix/rust-crane/interface.nix b/modules/dream2nix/rust-crane/interface.nix
index 4f06b2968..5d78cf04c 100644
--- a/modules/dream2nix/rust-crane/interface.nix
+++ b/modules/dream2nix/rust-crane/interface.nix
@@ -65,6 +65,11 @@ in {
       description = "Flags to add when testing the crate";
       default = [];
     };
+    testFlagsExtra = {
+      type = t.str;
+      description = "additional flags to be passed in the cargoTestCommand invocation";
+      default = "--no-run";
+    };
     depsDrv = {
       type = t.submoduleWith {
         modules = [dream2nix.modules.dream2nix.mkDerivation];