diff --git a/src/java/com/android/internal/telephony/cat/CatService.java b/src/java/com/android/internal/telephony/cat/CatService.java
index 6e4c899..7e70212 100644
--- a/src/java/com/android/internal/telephony/cat/CatService.java
+++ b/src/java/com/android/internal/telephony/cat/CatService.java
@@ -1007,6 +1007,13 @@
                 }
                 break;
             case LAUNCH_BROWSER:
+                if (resMsg.mResCode == ResultCode.LAUNCH_BROWSER_ERROR) {
+                    // Additional info for Default URL unavailable.
+                    resMsg.setAdditionalInfo(0x04);
+                } else {
+                    resMsg.mIncludeAdditionalInfo = false;
+                    resMsg.mAdditionalInfo = 0;
+                }
                 break;
             // 3GPP TS.102.223: Open Channel alpha confirmation should not send TR
             case OPEN_CHANNEL: