diff --git a/Monocle/File/RawReader.cs b/Monocle/File/RawReader.cs
index e39f393..e5e5f17 100644
--- a/Monocle/File/RawReader.cs
+++ b/Monocle/File/RawReader.cs
@@ -170,6 +170,9 @@ public System.Collections.IEnumerator GetEnumerator()
                             break;
                         case "Ion Injection Time (ms):":
                             scan.IonInjectionTime = double.Parse(value);
+                            if (!double.IsFinite(scan.IonInjectionTime)) {
+                                scan.IonInjectionTime = 0;
+                            }
                             break;
                         case "Elapsed Scan Time (sec):":
                             scan.ElapsedScanTime = double.Parse(value);