diff --git a/Misc/gdbinit b/Misc/gdbinit
index a164f4266c3..ae333b2686f 100644
--- a/Misc/gdbinit
+++ b/Misc/gdbinit
@@ -16,12 +16,12 @@
 # number of reference counts it current has and the hex address the
 # object is allocated at.  The argument must be a PyObject*
 define pyo
-print PyObject_Dump($arg0)
+print _PyObject_Dump($arg0)
 end
 
 # Prints a representation of the object to stderr, along with the
 # number of reference counts it current has and the hex address the
 # object is allocated at.  The argument must be a PyGC_Head*
 define pyg
-print PyGC_Dump($arg0)
+print _PyGC_Dump($arg0)
 end
diff --git a/Objects/object.c b/Objects/object.c
index b613dba29fa..6dbd14c3874 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -221,7 +221,7 @@ PyObject_Print(PyObject *op, FILE *fp, int flags)
 }
 
 /* For debugging convenience.  See Misc/gdbinit for some useful gdb hooks */
-void PyObject_Dump(PyObject* op) 
+void _PyObject_Dump(PyObject* op) 
 {
 	(void)PyObject_Print(op, stderr, 0);
 	fprintf(stderr, "\nrefcounts: %d\n", op->ob_refcnt);
@@ -229,9 +229,9 @@ void PyObject_Dump(PyObject* op)
 }
 
 #ifdef WITH_CYCLE_GC
-void PyGC_Dump(PyGC_Head* op)
+void _PyGC_Dump(PyGC_Head* op)
 {
-	PyObject_Dump(PyObject_FROM_GC(op));
+	_PyObject_Dump(PyObject_FROM_GC(op));
 }
 #endif /* WITH_CYCLE_GC */