Index: /home/michael/src/columbusCSV/src/org/openstreetmap/josm/plugins/columbusCSV/ColumbusCSVReader.java
===================================================================
--- /home/michael/src/columbusCSV/src/org/openstreetmap/josm/plugins/columbusCSV/ColumbusCSVReader.java	(Revision 26827)
+++ /home/michael/src/columbusCSV/src/org/openstreetmap/josm/plugins/columbusCSV/ColumbusCSVReader.java	(Arbeitskopie)
@@ -449,10 +449,12 @@
 	public File getVoxFilePath(String fileDir, String voxFile) {
 		// The FAT16 file name is interpreted differently from case-sensitive file systems, so we
 		// have to test several variants
-		String[] fileNameVariants = new String[] {voxFile, voxFile.toLowerCase(), voxFile.toUpperCase()};
+		String[] fileNameVariants = new String[] { voxFile + ".wav",
+				voxFile + ".WAV", voxFile.toLowerCase() + ".wav",
+				voxFile.toUpperCase() + ".WAV" };
 		
 		for (int i = 0; i < fileNameVariants.length; i++) {
-			File file = new File(fileDir + File.separator + fileNameVariants[i] + ".wav");
+			File file = new File(fileDir + File.separator + fileNameVariants[i]);
 			if (file.exists()) {
 				return file;
 			}