diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a92a40dc9..69bc292cd8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -715,6 +715,7 @@ set(ZIG_STAGE2_SOURCES
     "${CMAKE_SOURCE_DIR}/src/codegen/c.zig"
     "${CMAKE_SOURCE_DIR}/src/codegen/llvm.zig"
     "${CMAKE_SOURCE_DIR}/src/codegen/llvm/bindings.zig"
+    "${CMAKE_SOURCE_DIR}/src/compiler_rt.zig"
     "${CMAKE_SOURCE_DIR}/src/glibc.zig"
     "${CMAKE_SOURCE_DIR}/src/introspect.zig"
     "${CMAKE_SOURCE_DIR}/src/libc_installation.zig"