diff --git a/objectivec/GPBUtilities.m b/objectivec/GPBUtilities.m
index 72b5135287..0d3a080083 100644
--- a/objectivec/GPBUtilities.m
+++ b/objectivec/GPBUtilities.m
@@ -1865,7 +1865,7 @@ static void AppendTextFormatForMessageExtensionRange(GPBMessage *message,
       // Not there yet.
       continue;
     }
-    if (fieldNumber > end) {
+    if (fieldNumber >= end) {
       // Done.
       break;
     }