diff -up frei0r-plugins-1.1.21/src/Makefile.am.libdir frei0r-plugins-1.1.21/src/Makefile.am
--- frei0r-plugins-1.1.21/src/Makefile.am.libdir	2008-06-07 15:21:48.000000000 +0200
+++ frei0r-plugins-1.1.21/src/Makefile.am	2008-06-07 15:23:30.000000000 +0200
@@ -112,7 +112,7 @@ AM_CPPFLAGS = -I@top_srcdir@/include 
 AM_CFLAGS = -I@top_srcdir@/include 
 AM_LDFLAGS = -module -avoid-version -Wc,-nostartfiles
 
-plugindir = @prefix@/lib/frei0r-1
+plugindir = @libdir@/frei0r-1
 
 
 install-pluginLTLIBRARIES: $(plugin_LTLIBRARIES)
diff -up frei0r-plugins-1.1.21/src/Makefile.in.libdir frei0r-plugins-1.1.21/src/Makefile.in
--- frei0r-plugins-1.1.21/src/Makefile.in.libdir	2008-06-07 15:21:44.000000000 +0200
+++ frei0r-plugins-1.1.21/src/Makefile.in	2008-06-07 15:23:08.000000000 +0200
@@ -583,7 +583,7 @@ RGB_la_SOURCES = mixer3/RGB/RGB.c
 AM_CPPFLAGS = -I@top_srcdir@/include 
 AM_CFLAGS = -I@top_srcdir@/include 
 AM_LDFLAGS = -module -avoid-version -Wc,-nostartfiles
-plugindir = @prefix@/lib/frei0r-1
+plugindir = @libdir@/frei0r-1
 all: all-am
 
 .SUFFIXES: