diff --git a/Makefile.am b/Makefile.am
index edbdd67..aac5d13 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,5 @@
+ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
+
 @SET_MAKE@
 
 SUBDIRS = panel-plugin po icons
diff --git a/configure.ac.in b/configure.ac.in
index 4c741ea..835d2e9 100644
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -12,6 +12,7 @@ m4_define([netload_version],[1.3.1])
 AC_INIT([xfce4-netload-plugin], [netload_version],
 	[goodies-dev@xfce.org])
 AM_CONFIG_HEADER([config.h])
+AC_CONFIG_MACRO_DIRS([m4])
 AC_PREREQ([2.50])
 AC_CANONICAL_TARGET()
 
@@ -25,7 +26,7 @@ LT_INIT([disable-static])
 dnl Check for basic programs
 AC_PROG_CC
 AC_PROG_INSTALL
-AC_PROG_INTLTOOL
+IT_PROG_INTLTOOL([0.35.0])
 
 dnl Check for standard header files
 AC_HEADER_STDC