diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index d59df20c4d..741935fe36 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -4,7 +4,7 @@
 /* A load of opaque types so that device init declarations don't have to
    pull in all the real definitions.  */
 
-/* Please keep this list in alphabetical order */
+/* Please keep this list in case-insensitive alphabetical order */
 typedef struct AdapterInfo AdapterInfo;
 typedef struct AddressSpace AddressSpace;
 typedef struct AioContext AioContext;
@@ -40,6 +40,7 @@ typedef struct HCIInfo HCIInfo;
 typedef struct HVFX86EmulatorState HVFX86EmulatorState;
 typedef struct I2CBus I2CBus;
 typedef struct I2SCodec I2SCodec;
+typedef struct IOMMUMemoryRegion IOMMUMemoryRegion;
 typedef struct ISABus ISABus;
 typedef struct ISADevice ISADevice;
 typedef struct IsaDma IsaDma;
@@ -49,7 +50,6 @@ typedef struct MachineState MachineState;
 typedef struct MemoryListener MemoryListener;
 typedef struct MemoryMappingList MemoryMappingList;
 typedef struct MemoryRegion MemoryRegion;
-typedef struct IOMMUMemoryRegion IOMMUMemoryRegion;
 typedef struct MemoryRegionCache MemoryRegionCache;
 typedef struct MemoryRegionSection MemoryRegionSection;
 typedef struct MigrationIncomingState MigrationIncomingState;
@@ -84,6 +84,8 @@ typedef struct PostcopyDiscardState PostcopyDiscardState;
 typedef struct Property Property;
 typedef struct PropertyInfo PropertyInfo;
 typedef struct PS2State PS2State;
+typedef struct QBool QBool;
+typedef struct QDict QDict;
 typedef struct QEMUBH QEMUBH;
 typedef struct QemuConsole QemuConsole;
 typedef struct QemuDmaBuf QemuDmaBuf;
@@ -93,12 +95,10 @@ typedef struct QemuMutex QemuMutex;
 typedef struct QemuOpt QemuOpt;
 typedef struct QemuOpts QemuOpts;
 typedef struct QemuOptsList QemuOptsList;
-typedef struct QemuSpin QemuSpin;
 typedef struct QEMUSGList QEMUSGList;
+typedef struct QemuSpin QemuSpin;
 typedef struct QEMUTimer QEMUTimer;
 typedef struct QEMUTimerListGroup QEMUTimerListGroup;
-typedef struct QBool QBool;
-typedef struct QDict QDict;
 typedef struct QJSON QJSON;
 typedef struct QList QList;
 typedef struct QNull QNull;