diff --git a/src/libutil/util.cc b/src/libutil/util.cc
index 55b9144f3..17aee2d5c 100644
--- a/src/libutil/util.cc
+++ b/src/libutil/util.cc
@@ -1026,8 +1026,8 @@ void runProgram2(const RunOptions & options)
         if (source && dup2(in.readSide.get(), STDIN_FILENO) == -1)
             throw SysError("dupping stdin");
 
-        //if (options.chdir && chdir((*options.chdir).c_str()) == -1)
-        //    throw SysError("chdir failed");
+        if (options.chdir && chdir((*options.chdir).c_str()) == -1)
+            throw SysError("chdir failed");
         if (options.gid && setgid(*options.gid) == -1)
             throw SysError("setgid failed");
         /* Drop all other groups if we're setgid. */