diff --git a/rehlds/dedicated/src/sys_linux.cpp b/rehlds/dedicated/src/sys_linux.cpp
index 2f1515c..00bef76 100644
--- a/rehlds/dedicated/src/sys_linux.cpp
+++ b/rehlds/dedicated/src/sys_linux.cpp
@@ -94,7 +94,7 @@ void Sleep_Timer(int msec)
 	g_bPaused = false;
 
 	// set the timer to trigger
-	if (setitimer(ITIMER_REAL, &tm, NULL)) {
+	if (!setitimer(ITIMER_REAL, &tm, NULL)) {
 		// wait for the signal
 		pause();
 	}