diff --git a/library/aesni.c b/library/aesni.c
index 3bfc8d0578b..7491f8d980b 100644
--- a/library/aesni.c
+++ b/library/aesni.c
@@ -648,7 +648,7 @@ static void aesni_setkey_enc_128(unsigned char *rk,
          AESKEYGENA(xmm0_xmm1, "0x36")      "call 1b \n\t"
          :
          : "r" (rk), "r" (key)
-         : "memory", "cc", "0");
+         : "memory", "cc", "xmm0", "xmm1", "0");
 }
 
 /*
@@ -705,7 +705,7 @@ static void aesni_setkey_enc_192(unsigned char *rk,
 
          :
          : "r" (rk), "r" (key)
-         : "memory", "cc", "0");
+         : "memory", "cc", "xmm0", "xmm1", "xmm2", "0");
 }
 
 /*
@@ -771,7 +771,7 @@ static void aesni_setkey_enc_256(unsigned char *rk,
          AESKEYGENA(xmm1_xmm2, "0x40")      "call 1b \n\t"
          :
          : "r" (rk), "r" (key)
-         : "memory", "cc", "0");
+         : "memory", "cc", "xmm0", "xmm1", "xmm2", "0");
 }
 
 #endif  /* MBEDTLS_AESNI_HAVE_CODE */