1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libcrypto/dsa/dsa_gen.c b/src/lib/libcrypto/dsa/dsa_gen.c
index cb0b4538a4..0fcd25f8b0 100644
--- a/src/lib/libcrypto/dsa/dsa_gen.c
+++ b/src/lib/libcrypto/dsa/dsa_gen.c
@@ -120,7 +120,7 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
         BIGNUM *r0,*W,*X,*c,*test;
         BIGNUM *g=NULL,*q=NULL,*p=NULL;
         BN_MONT_CTX *mont=NULL;
-        int i, k, n=0, m=0, qsize = qbits >> 3;
+        int i, k,n=0,b,m=0, qsize = qbits >> 3;
         int counter=0;
         int r=0;
         BN_CTX *ctx=NULL;
@@ -232,6 +232,7 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
                 /* "offset = 2" */
 
                 n=(bits-1)/160;
+                b=(bits-1)-n*160;
 
                 for (;;)
                         {