diff --git a/afsk/main.c b/afsk/main.c
index 47fdd9bc..24b59ece 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -251,7 +251,7 @@ int main(int argc, char *argv[]) {
 	
   if (argc > 1) {
 	  strcpy(src_addr, argv[1]);
-	  if (argv[1] == 'b')
+	  if (*argv[1] == 'b')
 		  mode = BPSK;
   }