1 files changed, 2 insertions, 2 deletions

diff --git a/crypto/ansi_cprng.c b/crypto/ansi_cprng.c
index c0bb3778f1ae..666f1962a160 100644
--- a/crypto/ansi_cprng.c
+++ b/crypto/ansi_cprng.c
@@ -230,11 +230,11 @@ remainder:
          */
         if (byte_count < DEFAULT_BLK_SZ) {
 empty_rbuf:
-                for (; ctx->rand_data_valid < DEFAULT_BLK_SZ;
-                        ctx->rand_data_valid++) {
+                while (ctx->rand_data_valid < DEFAULT_BLK_SZ) {
                         *ptr = ctx->rand_data[ctx->rand_data_valid];
                         ptr++;
                         byte_count--;
+                        ctx->rand_data_valid++;
                         if (byte_count == 0)
                                 goto done;
                 }