diff --git a/blink/xlat.c b/blink/xlat.c
index 37f82e8f..ada70fdf 100644
--- a/blink/xlat.c
+++ b/blink/xlat.c
@@ -765,12 +765,12 @@ int XlatClock(int x, clock_t *clock) {
 #ifdef CLOCK_REALTIME_COARSE
     CASE(CLOCK_REALTIME_COARSE_LINUX, res = CLOCK_REALTIME_COARSE);
 #elif defined(CLOCK_REALTIME_FAST)
-    CASE(CLOCK_REALTIME_FAST_LINUX, res = CLOCK_REALTIME_FAST);
+    CASE(CLOCK_REALTIME_COARSE_LINUX, res = CLOCK_REALTIME_FAST);
 #endif
 #ifdef CLOCK_MONOTONIC_COARSE
     CASE(CLOCK_MONOTONIC_COARSE_LINUX, res = CLOCK_MONOTONIC_COARSE);
-#elif defined(CLOCK_REALTIME_FAST)
-    CASE(CLOCK_MONOTONIC_FAST_LINUX, res = CLOCK_MONOTONIC_FAST);
+#elif defined(CLOCK_MONOTONIC_FAST)
+    CASE(CLOCK_MONOTONIC_COARSE_LINUX, res = CLOCK_MONOTONIC_FAST);
 #endif
 #ifdef CLOCK_MONOTONIC_RAW
     CASE(CLOCK_MONOTONIC_RAW_LINUX, res = CLOCK_MONOTONIC_RAW);