diff --git a/app-check b/app-check
index 2a44e78..296e46e 100644
--- a/app-check
+++ b/app-check
@@ -611,7 +611,7 @@ fi
 #----------------------------------------------------#
 #		XYGRIB Viewer
 #----------------------------------------------------#
-if [ -f /usr/share/xygrib ]; then
+if [ -f /usr/bin/XyGrib ]; then
 	echo "XYGRIB=Installed" >> $UPDATEFILE
 else
 	echo "XYGRIB=Not_Installed" >> $UPDATEFILE