diff --git a/Makefile b/Makefile
index df144f3..5ea594f 100644
--- a/Makefile
+++ b/Makefile
@@ -47,11 +47,11 @@ users:
 
 permissions:
 	-sudo chown djumbaiq:djumbai $(BINDIR)/djumbai_enqueue/djumbai_enqueue
-	-sudo chmod u+s $(BINDIR)/djumbai_enqueue/djumbai_enqueue
+	-sudo chmod a+s $(BINDIR)/djumbai_enqueue/djumbai_enqueue
 	-sudo chown djumbaid:djumbai_queue $(BINDIR)/djumbai_dequeue/djumbai_dequeue
-	-sudo chmod u+s $(BINDIR)/djumbai_dequeue/djumbai_dequeue
+	-sudo chmod a+s $(BINDIR)/djumbai_dequeue/djumbai_dequeue
 	-sudo chown root:djumbai_send $(BINDIR)/djumbai_send/djumbai_send
-	-sudo chmod u+s $(BINDIR)/djumbai_send/djumbai_send
+	-sudo chmod a+s $(BINDIR)/djumbai_send/djumbai_send
 
 directories:
 	-sudo mkdir -m 050 /opt/djumbai