diff --git a/tools/linux_packaging/ardour.sh.in b/tools/linux_packaging/ardour.sh.in
index d7fd8d4f02..3fd6c6e2dc 100644
--- a/tools/linux_packaging/ardour.sh.in
+++ b/tools/linux_packaging/ardour.sh.in
@@ -46,7 +46,10 @@ export LD_LIBRARY_PATH=$INSTALL_DIR/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
 
 if [ "T" = "$DEBUG" ]; then
 	export ARDOUR_INSIDE_GDB=1
-	exec gdb $INSTALL_DIR/bin/%EXENAME%-%VER%
+	exec gdb --args \
+		env LD_LIBRARY_PATH=$INSTALL_DIR/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH} \
+		$INSTALL_DIR/bin/%EXENAME%-%VER%
 else
+	export LD_LIBRARY_PATH=$INSTALL_DIR/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
 	exec $INSTALL_DIR/bin/%EXENAME%-%VER% "$@"
 fi