diff --git a/xtoskrnl/CMakeLists.txt b/xtoskrnl/CMakeLists.txt
index afa9e8d..bc59fd9 100644
--- a/xtoskrnl/CMakeLists.txt
+++ b/xtoskrnl/CMakeLists.txt
@@ -87,6 +87,7 @@ list(APPEND XTOSKRNL_SOURCE
     ${XTOSKRNL_SOURCE_DIR}/rtl/sha1.cc
     ${XTOSKRNL_SOURCE_DIR}/rtl/slist.cc
     ${XTOSKRNL_SOURCE_DIR}/rtl/string.cc
+    ${XTOSKRNL_SOURCE_DIR}/rtl/time.cc
     ${XTOSKRNL_SOURCE_DIR}/rtl/widestr.cc)
 
 # Set module definition SPEC file