diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc
index c1cf38565..a58428762 100644
--- a/src/libmain/shared.cc
+++ b/src/libmain/shared.cc
@@ -33,6 +33,7 @@
 
 namespace nix {
 
+char * * savedArgv;
 
 static bool gcWarning = true;
 
diff --git a/src/nix/main.cc b/src/nix/main.cc
index d78312944..956730276 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -53,7 +53,6 @@ static bool haveInternet()
 }
 
 std::string programPath;
-char * * savedArgv;
 
 struct HelpRequested { };