diff --git a/objectivec/GPBProtocolBuffers.h b/objectivec/GPBProtocolBuffers.h
index 68d8854eb8e7..32f9f5de221c 100644
--- a/objectivec/GPBProtocolBuffers.h
+++ b/objectivec/GPBProtocolBuffers.h
@@ -52,16 +52,16 @@
 
 // Well-known proto types
 #if GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS
- #import <Protobuf/Any.pbobjc.h>
- #import <Protobuf/Api.pbobjc.h>
- #import <Protobuf/Duration.pbobjc.h>
- #import <Protobuf/Empty.pbobjc.h>
- #import <Protobuf/FieldMask.pbobjc.h>
- #import <Protobuf/SourceContext.pbobjc.h>
- #import <Protobuf/Struct.pbobjc.h>
- #import <Protobuf/Timestamp.pbobjc.h>
- #import <Protobuf/Type.pbobjc.h>
- #import <Protobuf/Wrappers.pbobjc.h>
+ #import <protobuf/Any.pbobjc.h>
+ #import <protobuf/Api.pbobjc.h>
+ #import <protobuf/Duration.pbobjc.h>
+ #import <protobuf/Empty.pbobjc.h>
+ #import <protobuf/FieldMask.pbobjc.h>
+ #import <protobuf/SourceContext.pbobjc.h>
+ #import <protobuf/Struct.pbobjc.h>
+ #import <protobuf/Timestamp.pbobjc.h>
+ #import <protobuf/Type.pbobjc.h>
+ #import <protobuf/Wrappers.pbobjc.h>
 #else
  #import "google/protobuf/Any.pbobjc.h"
  #import "google/protobuf/Api.pbobjc.h"
diff --git a/objectivec/GPBWellKnownTypes.h b/objectivec/GPBWellKnownTypes.h
index 04df41788922..bb6c780a7d89 100644
--- a/objectivec/GPBWellKnownTypes.h
+++ b/objectivec/GPBWellKnownTypes.h
@@ -37,9 +37,9 @@
 #endif
 
 #if GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS
- #import <Protobuf/Any.pbobjc.h>
- #import <Protobuf/Duration.pbobjc.h>
- #import <Protobuf/Timestamp.pbobjc.h>
+ #import <protobuf/Any.pbobjc.h>
+ #import <protobuf/Duration.pbobjc.h>
+ #import <protobuf/Timestamp.pbobjc.h>
 #else
  #import "google/protobuf/Any.pbobjc.h"
  #import "google/protobuf/Duration.pbobjc.h"