diff --git a/lib/cryptohi/seckey.c b/lib/cryptohi/seckey.c

--- a/lib/cryptohi/seckey.c

+++ b/lib/cryptohi/seckey.c

@@ -993,17 +993,17 @@ SECKEY_PublicKeyStrengthInBits(const SEC

     }

     /* interpret modulus length as key strength */

     switch (pubk->keyType) {

     case rsaKey:

         bitSize = SECKEY_BigIntegerBitLength(&pubk->u.rsa.modulus);

         break;

     case dsaKey:

-        bitSize = SECKEY_BigIntegerBitLength(&pubk->u.dsa.publicValue);

+        bitSize = SECKEY_BigIntegerBitLength(&pubk->u.dsa.params.prime);

         break;

     case dhKey:

         bitSize = SECKEY_BigIntegerBitLength(&pubk->u.dh.publicValue);

         break;

     case ecKey:

         bitSize = SECKEY_ECParamsToKeySize(&pubk->u.ec.DEREncodedParams);

         break;

     default: