diff --git a/pkgs/development/libraries/libvirt/default.nix b/pkgs/development/libraries/libvirt/default.nix
index 4af71876179..c045585bc36 100644
--- a/pkgs/development/libraries/libvirt/default.nix
+++ b/pkgs/development/libraries/libvirt/default.nix
@@ -74,7 +74,7 @@ in stdenv.mkDerivation rec {
   dontAddDisableDepTrack = true;
 
   configureFlags = [
-    "--with-runstatedir=/run" # TODO: remove when autoconf 1.70 is released
+    "--with-runstatedir=/run" # TODO: remove when autoconf 2.70 is released
     "--localstatedir=/var"
     "--sysconfdir=/var/lib"
     "--with-libpcap"