diff --git a/android/src/com/google/zxing/client/android/encode/VCardContactEncoder.java b/android/src/com/google/zxing/client/android/encode/VCardContactEncoder.java
index bda99e4f1..41596d0c5 100644
--- a/android/src/com/google/zxing/client/android/encode/VCardContactEncoder.java
+++ b/android/src/com/google/zxing/client/android/encode/VCardContactEncoder.java
@@ -27,7 +27,7 @@ import java.util.regex.Pattern;
  */
 final class VCardContactEncoder extends ContactEncoder {
 
-  private static final Pattern RESERVED_VCARD_CHARS = Pattern.compile("([\\\\:;])");
+  private static final Pattern RESERVED_VCARD_CHARS = Pattern.compile("([\\\\,;])");
   private static final Pattern NEWLINE = Pattern.compile("\\n");
   private static final Formatter VCARD_FIELD_FORMATTER = new Formatter() {
     @Override
diff --git a/zxing.appspot.com/src/com/google/zxing/web/generator/client/ContactInfoGenerator.java b/zxing.appspot.com/src/com/google/zxing/web/generator/client/ContactInfoGenerator.java
index 1592ece42..91acd1ac4 100644
--- a/zxing.appspot.com/src/com/google/zxing/web/generator/client/ContactInfoGenerator.java
+++ b/zxing.appspot.com/src/com/google/zxing/web/generator/client/ContactInfoGenerator.java
@@ -129,7 +129,7 @@ public final class ContactInfoGenerator implements GeneratorSource {
   
   private static void maybeAppendvCard(StringBuilder output, String prefix, String value) {
     if (value.length() > 0) {
-      value = value.replaceAll("([\\\\:;])", "\\\\$1");
+      value = value.replaceAll("([\\\\,;])", "\\\\$1");
       value = value.replaceAll("\\n", "\\\\n");
       output.append(prefix).append(':').append(value).append('\n');
     }