1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix/shell.cc b/src/nix/shell.cc
index 2c5142518..6d5f1603c 100644
--- a/src/nix/shell.cc
+++ b/src/nix/shell.cc
@@ -275,7 +275,7 @@ struct CmdDevShell : Common, MixEnvironment
 
         stopProgressBar();
 
-        auto shell = getEnv("SHELL", "bash");
+        auto shell = getEnv("SHELL").value_or("bash");
 
         setEnviron();