1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix/run.cc b/src/nix/run.cc
index f016b04a1..64a5cbd30 100644
--- a/src/nix/run.cc
+++ b/src/nix/run.cc
@@ -41,7 +41,7 @@ struct CmdRun : InstallablesCommand
             .longName("ignore-environment")
             .shortName('i')
             .description("clear the entire environment (except those specified with --keep)")
-            .handler([&](Strings ss) { ignoreEnvironment = true; });
+            .set(&ignoreEnvironment, true);
 
         mkFlag()
             .longName("keep")