diff --git a/proteus/Gauges.py b/proteus/Gauges.py
index 7258754cb9..e82b8efff0 100644
--- a/proteus/Gauges.py
+++ b/proteus/Gauges.py
@@ -723,7 +723,7 @@ def outputRow(self, time):
             globalLineIntegralGaugeBuf = []
 
         if self.gaugeComm.rank == 0:
-            self.file.write("%15.8e" % time)
+            self.file.write("%25.15e" % time)
             if self.isPointGauge or self.isLineGauge:
                 for id in self.globalQuantitiesMap:
                     self.file.write(", %43.18e" % (self.globalQuantitiesBuf[id],))