diff --git a/src/emu/inpttype.h b/src/emu/inpttype.h
index 0398ef7088e..09618124e85 100644
--- a/src/emu/inpttype.h
+++ b/src/emu/inpttype.h
@@ -48,7 +48,7 @@
 #define INPUT_PORT_ANALOG_TYPE(_player,_group,_type,_name,_seq,_decseq,_incseq) \
 	typelist.append(*global_alloc(input_type_entry(IPT_##_type, IPG_##_group, (_player == 0) ? _player : (_player) - 1, (_player == 0) ? #_type : ("P" #_player "_" #_type), _name, _seq, _decseq, _incseq)));
 
-#ifdef __GNUC__
+#if defined(__GNUC__) && __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
 __attribute__((optimize("O0")))
 #endif
 void construct_core_types(simple_list<input_type_entry> &typelist)