diff --git a/CMakeLists.txt b/CMakeLists.txt
index 46d9c701b0..5afea9354e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -559,9 +559,12 @@ set(ZIG_STAGE2_SOURCES
     "${CMAKE_SOURCE_DIR}/src/arch/wasm/Mir.zig"
     "${CMAKE_SOURCE_DIR}/src/arch/x86_64/CodeGen.zig"
     "${CMAKE_SOURCE_DIR}/src/arch/x86_64/Emit.zig"
+    "${CMAKE_SOURCE_DIR}/src/arch/x86_64/Encoding.zig"
     "${CMAKE_SOURCE_DIR}/src/arch/x86_64/Mir.zig"
-    "${CMAKE_SOURCE_DIR}/src/arch/x86_64/bits.zig"
     "${CMAKE_SOURCE_DIR}/src/arch/x86_64/abi.zig"
+    "${CMAKE_SOURCE_DIR}/src/arch/x86_64/bits.zig"
+    "${CMAKE_SOURCE_DIR}/src/arch/x86_64/encoder.zig"
+    "${CMAKE_SOURCE_DIR}/src/arch/x86_64/encodings.zig"
     "${CMAKE_SOURCE_DIR}/src/clang.zig"
     "${CMAKE_SOURCE_DIR}/src/clang_options.zig"
     "${CMAKE_SOURCE_DIR}/src/clang_options_data.zig"