diff --git a/seedlink_plotter/seedlink_plotter.py b/seedlink_plotter/seedlink_plotter.py
index 37afd5c..d3f8ba6 100755
--- a/seedlink_plotter/seedlink_plotter.py
+++ b/seedlink_plotter/seedlink_plotter.py
@@ -573,6 +573,17 @@ def main():
     # parse the arguments
     args = parser.parse_args()
 
+ # Check x_scale and backtrace_time in drum plot mode
+    if not args.line_plot and (args.backtrace_time % (args.x_scale*60)):
+        print"Backtrace_time should be a multiple of x_scale (default 60m)"
+        print "Aborting."
+        sys.exit()
+    if not args.line_plot and (args.backtrace_time % (args.x_scale*60)):
+        print"Backtrace_time should be a multiple of x_scale (default 60m)"
+        print "Aborting."
+        sys.exit()
+
+
     if args.verbose:
         loglevel = logging.DEBUG
     else: