diff --git a/Xi/xiproperty.c b/Xi/xiproperty.c
index 88de11959..c612af22c 100644
--- a/Xi/xiproperty.c
+++ b/Xi/xiproperty.c
@@ -706,7 +706,7 @@ XIDeleteDeviceProperty (DeviceIntPtr device, Atom property, Bool fromClient)
 int
 XIChangeDeviceProperty (DeviceIntPtr dev, Atom property, Atom type,
                         int format, int mode, unsigned long len,
-                        const pointer value, Bool sendevent)
+                        const void *value, Bool sendevent)
 {
     XIPropertyPtr               prop;
     int                         size_in_bytes;
diff --git a/include/exevents.h b/include/exevents.h
index bd1697066..31acb30ea 100644
--- a/include/exevents.h
+++ b/include/exevents.h
@@ -92,7 +92,7 @@ extern _X_EXPORT int XIChangeDeviceProperty(
         int                     /* format*/,
         int                     /* mode*/,
         unsigned long           /* len*/,
-        const pointer           /* value*/,
+        const void*             /* value*/,
         Bool                    /* sendevent*/
         );