X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FMappedFeatures.java;fp=src%2Fjalview%2Fdatamodel%2FMappedFeatures.java;h=f145d9374500303ae32705b2739eb592f6d7f421;hb=304e64fb34b32659be1bbfd39fb4e15b2f79586e;hp=d652a97db6edfeef5f25feb347208552b24273f9;hpb=cfb79b69d9fa44595560659bd95d1d1cd27677ad;p=jalview.git

diff --git a/src/jalview/datamodel/MappedFeatures.java b/src/jalview/datamodel/MappedFeatures.java
index d652a97..f145d93 100644
--- a/src/jalview/datamodel/MappedFeatures.java
+++ b/src/jalview/datamodel/MappedFeatures.java
@@ -20,6 +20,8 @@
  */
 package jalview.datamodel;
 
+import java.util.Locale;
+
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -199,12 +201,12 @@ public class MappedFeatures
      * e.g. C,G,T gives variants G and T for base C
      */
     Set<String> variantPeptides = new HashSet<>();
-    String[] alleles = alls.toUpperCase().split(",");
+    String[] alleles = alls.toUpperCase(Locale.ROOT).split(",");
     StringBuilder vars = new StringBuilder();
 
     for (String allele : alleles)
     {
-      allele = allele.trim().toUpperCase();
+      allele = allele.trim().toUpperCase(Locale.ROOT);
       if (allele.length() > 1 || "-".equals(allele))
       {
         continue; // multi-locus variant
@@ -220,7 +222,7 @@ public class MappedFeatures
        */
       final int i = cdsPos == codonPos[0] ? 0
               : (cdsPos == codonPos[1] ? 1 : 2);
-      variantCodon[i] = allele.toUpperCase().charAt(0);
+      variantCodon[i] = allele.toUpperCase(Locale.ROOT).charAt(0);
       if (variantCodon[i] == baseCodon[i])
       {
         continue;