diff --git a/tools/timidity/pianobooster-timidity b/tools/timidity/pianobooster-timidity
index c8d98f3..8af023c 100755
--- a/tools/timidity/pianobooster-timidity
+++ b/tools/timidity/pianobooster-timidity
@@ -13,7 +13,12 @@ then
    exit 1
 fi
 
-timidity -iA -OO &
+if [ ! -z "`timidity -help|grep '\-OO'`" ]
+then
+  timidity -iA -OO &
+else
+  timidity -iA -Os &
+fi
 
 PID=$!