1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix/repl.cc b/src/nix/repl.cc
index f453343f3..c8bb5a90f 100644
--- a/src/nix/repl.cc
+++ b/src/nix/repl.cc
@@ -683,7 +683,7 @@ void NixRepl::addVarToScope(const Symbol & name, Value & v)
 
 Expr * NixRepl::parseString(string s)
 {
-    Expr * e = state->parseExprFromString(s, curDir, staticEnv);
+    Expr * e = state->parseExprFromString(std::move(s), curDir, staticEnv);
     return e;
 }