X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FIdentifyFile.java;h=5a3d700f74c020e3514295215de1fb9d6e3d91ce;hb=b1f3e3bac931d7f309f60e50b18c435c65586de8;hp=e7ee711989df0c4de8228147e5f57f0f37b4c493;hpb=f42cec3b999bbed0ce85045760b55701c527da32;p=jalview.git

diff --git a/src/jalview/io/IdentifyFile.java b/src/jalview/io/IdentifyFile.java
index e7ee711..5a3d700 100755
--- a/src/jalview/io/IdentifyFile.java
+++ b/src/jalview/io/IdentifyFile.java
@@ -20,6 +20,8 @@
  */
 package jalview.io;
 
+import java.util.Locale;
+
 import java.io.File;
 import java.io.IOException;
 
@@ -178,7 +180,7 @@ public class IdentifyFile
             break;
           }
         }
-        data = data.toUpperCase();
+        data = data.toUpperCase(Locale.ROOT);
 
         if (data.startsWith(ScoreMatrixFile.SCOREMATRIX))
         {
@@ -332,7 +334,7 @@ public class IdentifyFile
         if ((lessThan > -1)) // possible Markup Language data i.e HTML,
                              // RNAML, XML
         {
-          String upper = data.toUpperCase();
+          String upper = data.toUpperCase(Locale.ROOT);
           if (upper.substring(lessThan).startsWith("<HTML"))
           {
             reply = FileFormat.Html;