diff -Naur kstars.orig/kstars/ekos/capture.cpp kstars.new/kstars/ekos/capture.cpp
--- kstars.orig/kstars/ekos/capture.cpp	2015-06-08 14:05:23.044219844 +0200
+++ kstars.new/kstars/ekos/capture.cpp	2015-06-08 14:07:32.214425403 +0200
@@ -1227,6 +1227,7 @@
 void Capture::checkSeqBoundary(const QString &path)
 {
     int newFileIndex=-1;
+    int endingIndex;
     QString tempName;
 
     // No updates during meridian flip
@@ -1251,7 +1252,11 @@
             tempName = tempName.remove(0, 1);
 
         bool indexOK = false;
-        newFileIndex = tempName.mid(0, 2).toInt(&indexOK);
+
+        // Remove the file ending
+        endingIndex = tempName.indexOf(".");
+        tempName = tempName.remove(endingIndex, tempName.length()-1);
+        newFileIndex = tempName.toInt(&indexOK);
         if (indexOK && newFileIndex >= seqCount)
             seqCount = newFileIndex + 1;
     }