diff --git a/Servers/Filters/vtkFileSeriesReader.cxx b/Servers/Filters/vtkFileSeriesReader.cxx
index 96d86fb..5aaf4af 100644
--- a/Servers/Filters/vtkFileSeriesReader.cxx
+++ b/Servers/Filters/vtkFileSeriesReader.cxx
@@ -553,6 +553,28 @@ int vtkFileSeriesReader::RequestInformation(
       this->RequestInformationForInput(i, request, outputVector);
       this->Internal->TimeRanges->AddTimeRange(i, outInfo);
       }
+
+    // Catch case where multiple files set the same timestep
+    int numTimeSteps
+      = outInfo->Length(vtkStreamingDemandDrivenPipeline::TIME_STEPS());
+    if (numTimeSteps < numFiles)
+      {
+      vtkWarningMacro("Multiple files contain identical time step values. "
+                      << "Reverting to fake time step values.");
+
+      this->Internal->TimeRanges->Reset();
+      outInfo->Remove(vtkStreamingDemandDrivenPipeline::TIME_STEPS());
+      outInfo->Remove(vtkStreamingDemandDrivenPipeline::TIME_RANGE());
+
+      // Input files have non-unique time steps. Fake a time step for each equal to the
+      // index.
+      for (int i = 0; i < numFiles; i++)
+        {
+        double time = (double)i;
+        outInfo->Set(vtkStreamingDemandDrivenPipeline::TIME_STEPS(), &time, 1);
+        this->Internal->TimeRanges->AddTimeRange(i, outInfo);
+        }
+      }
     }
 
   // Now that we have collected all of the time information, set the aggregate