diff --git a/src/dsd_frame.c b/src/dsd_frame.c
index 8948c77..879f8a4 100644
--- a/src/dsd_frame.c
+++ b/src/dsd_frame.c
@@ -404,7 +404,7 @@ processFrame (dsd_opts * opts, dsd_state * state)
               // NAC fixed by error correction
               state->nac = new_nac;
               //apparently, both 0 and 0xFFF can the BCH code on signal drop
-              if (state->p2_hardset == 0 && new_nac != 0 & new_nac != 0xFFF)
+              if (state->p2_hardset == 0 && new_nac != 0 && new_nac != 0xFFF)
               {
                 state->p2_cc = new_nac;
               }