diff --git a/src/il2p_test.c b/src/il2p_test.c
index 17995259..c5af074d 100644
--- a/src/il2p_test.c
+++ b/src/il2p_test.c
@@ -120,7 +120,7 @@ static void test_scramble(void)
 	unsigned char scramout[sizeof(scramin1)];
 
 	il2p_scramble_block (scramin1, scramout, sizeof(scramin1));
-	assert (memcmp(scramout, scramout, sizeof(scramout1)) == 0);
+	assert (memcmp(scramout, scramout1, sizeof(scramout1)) == 0);
 
 }  // end test_scramble.
 
@@ -974,4 +974,4 @@ alevel_t demod_get_audio_level (int chan, int subchan)
 	return (alevel);
 }
 
-// end il2p_test.c
\ No newline at end of file
+// end il2p_test.c