diff --git a/engine/server/sv_sys_unix.c b/engine/server/sv_sys_unix.c
index 5251ea710..2dac9bcb8 100644
--- a/engine/server/sv_sys_unix.c
+++ b/engine/server/sv_sys_unix.c
@@ -170,7 +170,7 @@ unsigned int Sys_Milliseconds (void)
 {
 	struct timeval tp;
 	struct timezone tzp;
-	int secbase;
+	static int secbase;
 
 	gettimeofday(&tp, &tzp);