diff --git a/radio/tests/interpolation/farrow/test.cpp b/radio/tests/interpolation/farrow/test.cpp
index ffbd036..c4a0de7 100644
--- a/radio/tests/interpolation/farrow/test.cpp
+++ b/radio/tests/interpolation/farrow/test.cpp
@@ -142,8 +142,8 @@ void test()
 
 	// Setup IQ data
 	WAVEHEADER header;
-//	CVec iq_in = wavLoad("m2_12k_12k_i_q_short_2sps.wav", header);
-	CVec iq_in = wavLoad("sine.wav", header);
+	CVec iq_in = wavLoad("m2_12k_12k_i_q_short_2sps.wav", header);
+//	CVec iq_in = wavLoad("sine.wav", header);
 	CVec iq_out;
 	iq_out.reserve(8*iq_in.size());