diff --git a/knetworkmanager-0.9/configure.in.in b/knetworkmanager-0.9/configure.in.in
index 2c9ed09..e80ad6e 100644
--- a/knetworkmanager-0.9/configure.in.in
+++ b/knetworkmanager-0.9/configure.in.in
@@ -94,7 +94,7 @@ if test "x$with_dialup" != "xno"; then
 				;;
 			gentoo)
 				AC_DEFINE_UNQUOTED(KNETWORKMANAGER_DIALUP_CONFIG,
-					"tdesu --nonewdcop ${KDEDIR}/bin/kppp",
+					"tdesu --nonewdcop ${TDEDIR}/bin/kppp",
 					[Command to launch dial up configuration tool])
 				;;
 			fedora)