diff --git a/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_balanced/encrypt.c b/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_balanced/encrypt.c
index 3ac3cff..518c555 100644
--- a/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_balanced/encrypt.c
+++ b/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_balanced/encrypt.c
@@ -71,7 +71,7 @@ static inline void rho(u32* y, u32* m, u32* x, u32* c, u32 n) {
     rho1(x, y, m, n);
 }
 
-static inline void rho_prime(u32* y, u32*c, u32* m, u32* x, u32 n) {
+static inline void rho_prime(u32* y, u32*c, u32* x, u32* m, u32 n) {
     XOR_BLOCK(m, y, c);
     rho1(x, y, m, n);
 }
diff --git a/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_compact/encrypt.c b/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_compact/encrypt.c
index 7fbe2db..6c65b58 100644
--- a/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_compact/encrypt.c
+++ b/gift-cofb/Implementations/crypto_aead/giftcofb128v1/armcortexm_compact/encrypt.c
@@ -71,7 +71,7 @@ static inline void rho(u32* y, u32* m, u32* x, u32* c, u32 n) {
     rho1(x, y, m, n);
 }
 
-static inline void rho_prime(u32* y, u32*c, u32* m, u32* x, u32 n) {
+static inline void rho_prime(u32* y, u32*c, u32* x, u32* m, u32 n) {
     XOR_BLOCK(m, y, c);
     rho1(x, y, m, n);
 }