diff --git a/afsk/main.c b/afsk/main.c
index c10ee7e4..ddecd43d 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -217,7 +217,9 @@ int main(void) {
         channel, upper_digit(tlm[channel][2]), lower_digit(tlm[channel][2]), 
         channel, upper_digit(tlm[channel][3]), lower_digit(tlm[channel][3]), 
         channel, upper_digit(tlm[channel][4]), lower_digit(tlm[channel][4]));
-      printf("%s \n",tlm_str);
+      #ifdef DEBUG_LOGGING	    
+        printf("%s \n",tlm_str);
+      #endif
       strcat(str, tlm_str);
     }