diff --git a/gtk2_ardour/ardev_common.sh.in b/gtk2_ardour/ardev_common.sh.in
index 703e388e5a..0edf4e1ce5 100644
--- a/gtk2_ardour/ardev_common.sh.in
+++ b/gtk2_ardour/ardev_common.sh.in
@@ -17,7 +17,7 @@ export ARDOUR_DATA_PATH=$TOP:$TOP/build:$TOP/gtk2_ardour:$TOP/build/gtk2_ardour:
 export ARDOUR_MIDIMAPS_PATH=$TOP/midi_maps:.
 export ARDOUR_MCP_PATH=$TOP/mcp:.
 export ARDOUR_EXPORT_FORMATS_PATH=$TOP/export:.
-export ARDOUR_BACKEND_PATH=$libs/backends/jack
+export ARDOUR_BACKEND_PATH=$libs/backends/jack:$libs/backends/wavesaudio
 
 #
 # even though we set the above variables, ardour requires that these 
@@ -30,7 +30,7 @@ export ARDOUR_DLL_PATH=$libs
 export GTK_PATH=~/.ardour3:$libs/clearlooks-newer
 export VAMP_PATH=$libs/vamp-plugins${VAMP_PATH:+:$VAMP_PATH}
 
-export LD_LIBRARY_PATH=$libs/qm-dsp:$libs/vamp-sdk:$libs/surfaces:$libs/surfaces/control_protocol:$libs/ardour:$libs/midi++2:$libs/pbd:$libs/rubberband:$libs/soundtouch:$libs/gtkmm2ext:$libs/gnomecanvas:$libs/libsndfile:$libs/appleutility:$libs/taglib:$libs/evoral:$libs/evoral/src/libsmf:$libs/audiographer:$libs/timecode:$libs/libltc:$libs/canvas${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
+export LD_LIBRARY_PATH=$libs/qm-dsp:$libs/vamp-sdk:$libs/surfaces:$libs/surfaces/control_protocol:$libs/ardour:$libs/midi++2:$libs/pbd:$libs/rubberband:$libs/soundtouch:$libs/gtkmm2ext:$libs/gnomecanvas:$libs/libsndfile:$libs/appleutility:$libs/taglib:$libs/evoral:$libs/evoral/src/libsmf:$libs/audiographer:$libs/timecode:$libs/libltc${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
 
 # DYLD_LIBRARY_PATH is for darwin.
 export DYLD_FALLBACK_LIBRARY_PATH=$LD_LIBRARY_PATH