diff --git a/drivers/crypto/vmx/aesp8-ppc.pl b/drivers/crypto/vmx/aesp8-ppc.pl
index de78282b8f4473d6884d66240c1fc31284599803..9c6b5c1d6a1a61c0408a55822a816516057a486f 100644
--- a/drivers/crypto/vmx/aesp8-ppc.pl
+++ b/drivers/crypto/vmx/aesp8-ppc.pl
@@ -1357,7 +1357,7 @@ Loop_ctr32_enc:
 	addi		$idx,$idx,16
 	bdnz		Loop_ctr32_enc
 
-	vadduwm		$ivec,$ivec,$one
+	vadduqm		$ivec,$ivec,$one
 	 vmr		$dat,$inptail
 	 lvx		$inptail,0,$inp
 	 addi		$inp,$inp,16