Index: src/main/org/apache/tools/ant/util/GlobPatternMapper.java
===================================================================
--- src/main/org/apache/tools/ant/util/GlobPatternMapper.java (revision 1203181)
+++ src/main/org/apache/tools/ant/util/GlobPatternMapper.java (working copy)
@@ -157,7 +157,7 @@
         if (fromPrefix == null
             || (sourceFileName.length() < (prefixLength + postfixLength))
             || (!fromContainsStar
-                && !modName.equals(modifyName(fromPrefix))
+                && modName.equals(modifyName(fromPrefix))
                 )
             || (fromContainsStar
                 && (!modName.startsWith(modifyName(fromPrefix))
@@ -167,10 +167,8 @@
             return null;
         }
         return new String[] {toPrefix
-                             + (toContainsStar
-                                ? extractVariablePart(sourceFileName)
-                                  + toPostfix
-                                : "")};
+            + extractVariablePart(sourceFileName)
+            + toPostfix};
     }
 
     /**