diff --git a/arch/x86_64/crypto/Makefile b/arch/x86_64/crypto/Makefile
index 15b538a8b7f7..7f73d22b4527 100644
--- a/arch/x86_64/crypto/Makefile
+++ b/arch/x86_64/crypto/Makefile
@@ -8,5 +8,5 @@ obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
 obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
 
 aes-x86_64-y := aes-x86_64-asm.o aes.o
-twofish-x86_64-y := twofish-x86_64-asm.o twofish.o
+twofish-x86_64-y := twofish-x86_64-asm.o twofish_64.o
 
diff --git a/arch/x86_64/crypto/twofish.c b/arch/x86_64/crypto/twofish_64.c
similarity index 100%
rename from arch/x86_64/crypto/twofish.c
rename to arch/x86_64/crypto/twofish_64.c