diff --git a/core/src/com/google/zxing/client/result/ResultParser.java b/core/src/com/google/zxing/client/result/ResultParser.java
index b8ec2486b..c6d93542f 100644
--- a/core/src/com/google/zxing/client/result/ResultParser.java
+++ b/core/src/com/google/zxing/client/result/ResultParser.java
@@ -178,18 +178,19 @@ public abstract class ResultParser {
     return result;
   }
 
-  private static void appendKeyValue(CharSequence keyValue,
-                                     Map<String,String> result) {
+  private static void appendKeyValue(CharSequence keyValue, Map<String,String> result) {
     String[] keyValueTokens = EQUALS.split(keyValue, 2);
     if (keyValueTokens.length == 2) {
       String key = keyValueTokens[0];
       String value = keyValueTokens[1];
       try {
         value = URLDecoder.decode(value, "UTF-8");
+        result.put(key, value);
       } catch (UnsupportedEncodingException uee) {
         throw new IllegalStateException(uee); // can't happen
+      } catch (IllegalArgumentException iae) {
+        // continue; invalid data such as an escape like %0t
       }
-      result.put(key, value);
     }
   }