diff --git a/tools/RAiDER/gnss/downloadGNSSDelays.py b/tools/RAiDER/gnss/downloadGNSSDelays.py
index a250b9396..22998119e 100755
--- a/tools/RAiDER/gnss/downloadGNSSDelays.py
+++ b/tools/RAiDER/gnss/downloadGNSSDelays.py
@@ -74,7 +74,7 @@ def get_stats_by_llh(llhBox=None, baseURL=_UNR_URL):
 
     stations = pd.read_csv(
         stationHoldings,
-        sep='\s+',
+        sep=r'\s+',
         names=['ID', 'Lat', 'Lon', 'Hgt_m']
     )
     stations = filterToBBox(stations, llhBox)