diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e16d13..52b74b3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ find_package(cxxopts CONFIG REQUIRED)
 find_package(Catch2 CONFIG REQUIRED)
 find_package(libdwarf CONFIG REQUIRED)
 
-add_executable(gwatch src/main.cpp src/symbol.cpp)
+add_executable(gwatch src/main.cpp src/symbol.cpp src/tracer.cpp)
 target_link_libraries(gwatch PRIVATE cxxopts::cxxopts libdwarf::dwarf)
 
 enable_testing()