diff --git a/coregrind/vg_preloaded.c b/coregrind/vg_preloaded.c
index 17bfb72..eaf6272 100644
--- a/coregrind/vg_preloaded.c
+++ b/coregrind/vg_preloaded.c
@@ -87,8 +87,8 @@
    /* ppc64 uses function descriptors, so get the actual function entry
       address for the client request, but return the function descriptor
       from this function. */
-    UWord *descr = (UWord*)result;
-    fnentry = (void*)(descr[0]);
+    UWord *descr = (UWord*)(void*)result;
+    fnentry = (Addr)(void*)(descr[0]);
 #else
     fnentry = result;
 #endif