diff --git a/rpcs3/Emu/Io/Dimensions.cpp b/rpcs3/Emu/Io/Dimensions.cpp
index fb3327779d..179be8ef3c 100644
--- a/rpcs3/Emu/Io/Dimensions.cpp
+++ b/rpcs3/Emu/Io/Dimensions.cpp
@@ -530,11 +530,10 @@ bool dimensions_toypad::create_blank_character(std::array<u8, 0x2D * 0x04>& buf,
 
 std::array<u8, 4> dimensions_toypad::pwd_generate(const std::array<u8, 7>& uid)
 {
-	std::vector<u8> pwd_calc = {PWD_CONSTANT.begin(), PWD_CONSTANT.end() - 1};
-	for (u8 i = 0; i < uid.size(); i++)
-	{
-		pwd_calc.insert(pwd_calc.begin() + i, uid[i]);
-	}
+	std::vector<u8> pwd_calc;
+	pwd_calc.reserve(uid.size() + PWD_CONSTANT.size());
+	pwd_calc.insert(pwd_calc.end(), uid.begin(), uid.end());
+	pwd_calc.insert(pwd_calc.end(), PWD_CONSTANT.begin(), PWD_CONSTANT.end());
 
 	return dimensions_randomize(pwd_calc, 8);
 }