Vlookup using awk

Hello,

I am trying to use vlookup (Excel function) using awk but there is some problem

--file1--

ABC123
101F
X1 A $P=Z
X2 A $P=X
X3 B $P=F
X4 C $P=G
MNK180
END

--file2--

X1 A_t $P=Z
X2 A_t $P=X
X3 B_u $P=F
X4 C_o $P=G

Using below,

awk 'NR==FNR {m[$1]=$1; next} {$1=m[$1]; print}' file1 file2

I got the output

--output--

X1 A_t $P=Z
X2 A_t $P=X
X3 B_u $P=F
X4 C_o $P=G

But, the output I want is

--output--

ABC123
101F
X1 A_t $P=Z
X2 A_t $P=X
X3 B_u $P=F
X4 C_o $P=G
MNK180
END
 

Is there anyway to get the result lilke above?
Please help me.

Try:

awk 'NR==FNR {m[$1]=$0; next} $1 in m{$0=m[$1]} {print}' file2 file1

Dear Scrutinizer,

AWESOME!!
Thank you sooo much!!