diff --git a/qemu-timer.c b/qemu-timer.c
index e15ce477ccd55c44f518d348f5a2e4c0e68bf8a6..9be1a4131d6318f7b6d3f93e3b1253f5884d82eb 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -56,7 +56,7 @@ typedef struct QEMUClock {
 } QEMUClock;
 
 QEMUTimerListGroup main_loop_tlg;
-QEMUClock qemu_clocks[QEMU_CLOCK_MAX];
+static QEMUClock qemu_clocks[QEMU_CLOCK_MAX];
 
 /* A QEMUTimerList is a list of timers attached to a clock. More
  * than one QEMUTimerList can be attached to each clock, for instance