diff --git a/components/libc/compilers/common/include/sys/time.h b/components/libc/compilers/common/include/sys/time.h
index 8a4dbb68f3a7847f81788352c5c313fa3b39604a..346320bff0f4d223f4eca312e454fe2d74a533e0 100644
--- a/components/libc/compilers/common/include/sys/time.h
+++ b/components/libc/compilers/common/include/sys/time.h
@@ -24,6 +24,9 @@ typedef __time64_t time_t;
 extern "C" {
 #endif
 
+#undef CLOCKS_PER_SEC
+#define CLOCKS_PER_SEC RT_TICK_PER_SECOND
+
 /* timezone */
 #define DST_NONE    0   /* not on dst */
 #define DST_USA     1   /* USA style dst */