diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index c50f53df..73295a13 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -238,8 +238,8 @@ static int lib_pAproxDistance(lua_State *L)
 	fixed_t dx = luaL_checkfixed(L, 1);
 	fixed_t dy = luaL_checkfixed(L, 2);
 	//HUDSAFE
-	LUA_Deprecated(L, "P_AproxDistance", "FixedHypot");
-	lua_pushfixed(L, FixedHypot(dx, dy));
+	LUA_Deprecated(L, "P_AproxDistance", "R_PointToDist2");
+	lua_pushfixed(L, R_PointToDist2(0, 0, dx, dy));
 	return 1;
 }
 
diff --git a/src/p_maputl.h b/src/p_maputl.h
index ec4a4aa3..5be618d8 100644
--- a/src/p_maputl.h
+++ b/src/p_maputl.h
@@ -41,7 +41,7 @@ typedef boolean (*traverser_t)(intercept_t *in);
 boolean P_PathTraverse(fixed_t px1, fixed_t py1, fixed_t px2, fixed_t py2,
 	INT32 pflags, traverser_t ptrav);
 
-#define P_AproxDistance(dx, dy) FixedHypot(dx, dy)
+#define P_AproxDistance(dx, dy) R_PointToDist2(0, 0, dx, dy)
 void P_ClosestPointOnLine(fixed_t x, fixed_t y, line_t *line, vertex_t *result);
 void P_ClosestPointOnLine3D(fixed_t x, fixed_t y, fixed_t z, line_t *line, vertex_t *result);
 INT32 P_PointOnLineSide(fixed_t x, fixed_t y, line_t *line);