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-rw-r--r--src/time/timer_getoverrun.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/time/timer_getoverrun.c b/src/time/timer_getoverrun.c
index 8a86833d..53361285 100644
--- a/src/time/timer_getoverrun.c
+++ b/src/time/timer_getoverrun.c
@@ -1,8 +1,12 @@
 #include <time.h>
+#include <limits.h>
 #include "pthread_impl.h"
 
 int timer_getoverrun(timer_t t)
 {
-	if ((uintptr_t)t >= 0x100000) t = ((pthread_t)t)->result;
+	if ((intptr_t)t < 0) {
+		pthread_t td = (void *)((uintptr_t)t << 1);
+		t = (void *)(uintptr_t)(td->timer_id & INT_MAX);
+	}
 	return syscall(SYS_timer_getoverrun, (long)t);
 }