diff --git a/gpx.h b/gpx.h
index dac0e38..c3cd876 100644
--- a/gpx.h
+++ b/gpx.h
@@ -38,7 +38,7 @@ int i,y;
 int year,month,day,hour,minute,sec,sat;
 if(part==GPX_HEADER){ 
   y=0;
-  i= sprintf(bufferTx,"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n");y=y+i;
+  i= sprintf(bufferTx,"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");y=y+i;
   i= sprintf(&bufferTx[y],"<gpx version=\"1.0\" creator=\"ESP-GPS SW 5.75\" ");y=y+i;
   i= sprintf(&bufferTx[y],"xmlns=\"http://www.topografix.com/GPX/1/0\" ");y=y+i;
   i= sprintf(&bufferTx[y],"xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" ");y=y+i;