diff --git a/eng/native/configurecompiler.cmake b/eng/native/configurecompiler.cmake
index 57d3aed47158a8..f7144a028a80d2 100644
--- a/eng/native/configurecompiler.cmake
+++ b/eng/native/configurecompiler.cmake
@@ -443,6 +443,8 @@ endif(CLR_CMAKE_HOST_WIN32)
 
 # Unconditionally define _FILE_OFFSET_BITS as 64 on all platforms.
 add_definitions(-D_FILE_OFFSET_BITS=64)
+# Unconditionally define _TIME_BITS as 64 on all platforms.
+add_definitions(-D_TIME_BITS=64)
 
 # Architecture specific files folder name
 if (CLR_CMAKE_TARGET_ARCH_AMD64)