diff --git a/objectivec/GPBStruct.pbobjc.m b/objectivec/GPBStruct.pbobjc.m
index dbdcbe1..b43e9cd 100644
--- a/objectivec/GPBStruct.pbobjc.m
+++ b/objectivec/GPBStruct.pbobjc.m
@@ -256,7 +256,7 @@
 }
 
 void GPBValue_ClearKindOneOfCase(GPBValue *message) {
-  GPBDescriptor *descriptor = [message descriptor];
+  GPBDescriptor *descriptor = [GPBValue descriptor];
   GPBOneofDescriptor *oneof = [descriptor.oneofs objectAtIndex:0];
   GPBMaybeClearOneof(message, oneof, -1, 0);
 }