diff --git a/src/syscalls/queue.c b/src/syscalls/queue.c
index c3a9239..33b06e3 100644
--- a/src/syscalls/queue.c
+++ b/src/syscalls/queue.c
@@ -106,6 +106,7 @@ int syscallProcess() {
     if(!requests) return 0;
     SyscallRequest *syscall = syscallDequeue();
     if(!syscall) return 0;
+    if(syscall->thread->status != THREAD_BLOCKED) return 0;
 
     setLocalSched(false);