diff --git a/src/common/objects/dobject.cpp b/src/common/objects/dobject.cpp
index 2ed8279da..9f9de3695 100644
--- a/src/common/objects/dobject.cpp
+++ b/src/common/objects/dobject.cpp
@@ -493,6 +493,11 @@ DEFINE_ACTION_FUNCTION(DObject, MSTime)
 	ACTION_RETURN_INT((uint32_t)I_msTime());
 }
 
+DEFINE_ACTION_FUNCTION_NATIVE(DObject, MSTimef, I_msTimeF)
+{
+	ACTION_RETURN_INT((double)I_msTimeF());
+}
+
 void *DObject::ScriptVar(FName field, PType *type)
 {
 	auto cls = GetClass();
diff --git a/wadsrc/static/zscript/engine/base.zs b/wadsrc/static/zscript/engine/base.zs
index 8c7e54368..58f510c4e 100644
--- a/wadsrc/static/zscript/engine/base.zs
+++ b/wadsrc/static/zscript/engine/base.zs
@@ -587,7 +587,8 @@ class Object native
 	private native static Class<Object> BuiltinNameToClass(Name nm, Class<Object> filter);
 	private native static Object BuiltinClassCast(Object inptr, Class<Object> test);
 	
-	native static uint MSTime();
+	deprecated("4.8", "Use MSTimeF instead") native static uint MSTime();
+	native static double MSTimeF();
 	native vararg static void ThrowAbortException(String fmt, ...);
 
 	native virtualscope void Destroy();