diff --git a/build/env.sh b/build/env.sh
index b28ad6259d..04401a3e17 100755
--- a/build/env.sh
+++ b/build/env.sh
@@ -24,5 +24,9 @@ GOPATH="$ethdir/go-ethereum/Godeps/_workspace:$workspace"
 GOBIN="$PWD/build/bin"
 export GOPATH GOBIN
 
+# Run the command inside the workspace.
+cd "$ethdir/go-ethereum"
+PWD="$ethdir/go-ethereum"
+
 # Launch the arguments with the configured environment.
-exec $@
+exec "$@"