diff --git a/src/dosbox.cpp b/src/dosbox.cpp
index 1462fae3..675e90da 100644
--- a/src/dosbox.cpp
+++ b/src/dosbox.cpp
@@ -370,7 +370,7 @@ void DOSBOX_Init(void) {
 	secprop->AddInitFunction(&MEM_Init);//done
 	secprop->AddInitFunction(&HARDWARE_Init);//done
 	Pint = secprop->Add_int("memsize", Property::Changeable::WhenIdle,16);
-	Pint->SetMinMax(1,63);
+	Pint->SetMinMax(1,64);
 	Pint->Set_help(
 		"Amount of memory DOSBox has in megabytes.\n"
 		"  This value is best left at its default to avoid problems with some games,\n"