diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 82d596b..644114a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,5 +1,5 @@
 target_sources(raspi_keyer PRIVATE
-    pico_keyer.cpp
+    raspi_keyer.cpp
     settings.cpp
     keyer.cpp
     sidetone.cpp