diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index c7d8581c5..43baf7c30 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -6231,9 +6231,7 @@ int wc_CheckPrivateKey(const byte* privKey, word32 privKeySz,
             keyIdx = 0;
             if ((ret = wc_falcon_import_public(pubKey, pubKeySz,
                                                key_pair)) == 0) {
-                /* public and private extracted successfully no check if is
-                 * a pair and also do sanity checks on key. wc_ecc_check_key
-                 * checks that private * base generator equals pubkey */
+                /* Public and private extracted successfully. Sanity check. */
                 if ((ret = wc_falcon_check_key(key_pair)) == 0)
                     ret = 1;
             }
@@ -28203,8 +28201,7 @@ int wc_Falcon_PrivateKeyDecode(const byte* input, word32* inOutIdx,
                         pubKey, &pubKeyLen, keytype);
     if (ret == 0) {
         if (pubKeyLen == 0) {
-            ret = wc_falcon_import_private_only(privKey, privKeyLen,
-                                                key);
+            ret = wc_falcon_import_private_only(input, inSz, key);
         }
         else {
             ret = wc_falcon_import_private_key(privKey, privKeyLen,
diff --git a/wolfcrypt/src/falcon.c b/wolfcrypt/src/falcon.c
index 00dbe7705..a18442331 100644
--- a/wolfcrypt/src/falcon.c
+++ b/wolfcrypt/src/falcon.c
@@ -588,10 +588,12 @@ int wc_falcon_export_key(falcon_key* key, byte* priv, word32 *privSz,
  */
 int wc_falcon_check_key(falcon_key* key)
 {
-    /* Might want to try to sign and verify a random message here. */
-    int ret = 0;
-    (void)key;
-    return ret;
+    if (key == NULL) {
+        return BAD_FUNC_ARG;
+    }
+
+    /* Assume everything is fine. */
+    return 0;
 }
 
 /* Returns the size of a falcon private key.
diff --git a/wolfssl/wolfcrypt/falcon.h b/wolfssl/wolfcrypt/falcon.h
index 3ff83a4ba..56c459b84 100644
--- a/wolfssl/wolfcrypt/falcon.h
+++ b/wolfssl/wolfcrypt/falcon.h
@@ -51,7 +51,7 @@
 #define FALCON_LEVEL5_PUB_KEY_SIZE OQS_SIG_falcon_1024_length_public_key
 #define FALCON_LEVEL5_PRV_KEY_SIZE (FALCON_LEVEL5_PUB_KEY_SIZE+FALCON_LEVEL5_KEY_SIZE)
 
-#define FALCON_MAX_KEY_SIZE     FALCON_LEVEL5_KEY_SIZE
+#define FALCON_MAX_KEY_SIZE     FALCON_LEVEL5_PRV_KEY_SIZE
 #define FALCON_MAX_SIG_SIZE     FALCON_LEVEL5_SIG_SIZE
 #define FALCON_MAX_PUB_KEY_SIZE FALCON_LEVEL5_PUB_KEY_SIZE
 #define FALCON_MAX_PRV_KEY_SIZE FALCON_LEVEL5_PRV_KEY_SIZE