diff --git a/io/io/src/TFile.cxx b/io/io/src/TFile.cxx
index b054ca06578b525602067bbaf4305b67e4605eae..8f237fead3e5843604ffc1de66abe33a244d1a80 100644
--- a/io/io/src/TFile.cxx
+++ b/io/io/src/TFile.cxx
@@ -165,7 +165,7 @@ AddPseudoGlobals() {
    // User "gCling" as synonym for "libCore static initialization has happened".
    // This code here must not trigger it.
    TGlobalMappedFunction::Add(new TGlobalMappedFunction("gFile", "TFile*",
-                                 (TGlobalMappedFunction::GlobalFunc_t)&TFile::CurrentFile));
+            (TGlobalMappedFunction::GlobalFunc_t)((void*)&TFile::CurrentFile)));
 }
 } gAddPseudoGlobals;
 }