diff --git a/com.oracle.truffle.r.native/library/base/src/registration.c b/com.oracle.truffle.r.native/library/base/src/registration.c
index 72feb45ef870398c1c29cb05e1c16604291d147b..ea4e3a81fda5d8225d8a85ab1f31a0e65a0e0d94 100644
--- a/com.oracle.truffle.r.native/library/base/src/registration.c
+++ b/com.oracle.truffle.r.native/library/base/src/registration.c
@@ -77,7 +77,7 @@ static R_FortranMethodDef fortranMethods[] = {
     {NULL, NULL, 0}
 };
 
-R_init_base(DllInfo *dll)
+void R_init_base(DllInfo *dll)
 {
 //    R_registerRoutines(dll, NULL, callMethods, fortranMethods, NULL);
 	R_registerRoutines(dll, NULL, NULL, fortranMethods, NULL);