diff --git a/samples/CMakeLists.txt b/samples/CMakeLists.txt
index 78bdcf07e..cab1609cb 100644
--- a/samples/CMakeLists.txt
+++ b/samples/CMakeLists.txt
@@ -1,4 +1,5 @@
 set (SAMPLE_FILES
+  FT4/190106_000115.wav
   FT8/181201_180245.wav
   ISCAT/ISCAT-A/VK7MO_110401_235515.wav
   ISCAT/ISCAT-B/K0AWU_100714_115000.wav