--- src/wavedata.c	2009-11-25 13:53:57.000000000 +0000
+++ src/wavedata.c	2009-11-25 13:54:07.000000000 +0000
@@ -38,7 +38,7 @@
 /* Get LADPSA_PATH, if available */
 	ladspa_path = getenv("LADSPA_PATH");
 	if (!ladspa_path)
-		ladspa_path = "/usr/lib/ladspa:/usr/local/lib/ladspa";
+		ladspa_path = "/usr/lib/ladspa:/usr/local/lib/ladspa/usr/lib64/ladspa:/usr/local/lib64/ladspa";
 
 	start = ladspa_path;
 	while (*start != '\0')