--- src/collectd.h
+++ src/collectd.h
@@ -256,7 +256,7 @@
 #endif
 
 #ifndef PLUGINDIR
-#define PLUGINDIR PREFIX "/lib/" PACKAGE_NAME
+#define PLUGINDIR "/usr/lib/freetz/" PACKAGE_NAME
 #endif
 
 #ifndef PKGDATADIR
--- src/Makefile.in
+++ src/Makefile.in
@@ -1896,7 +1896,7 @@
 	-DCONFIGFILE='"${sysconfdir}/${PACKAGE_NAME}.conf"' \
 	-DLOCALSTATEDIR='"${localstatedir}"' \
 	-DPKGLOCALSTATEDIR='"${localstatedir}/lib/${PACKAGE_NAME}"' \
-	$(am__append_3) -DPLUGINDIR='"${pkglibdir}"' \
+	$(am__append_3) -DPLUGINDIR='"/usr/lib/freetz/collectd"' \
 	-DPKGDATADIR='"${pkgdatadir}"'
 collectd_SOURCES = collectd.c collectd.h \
 		   common.c common.h \