diff --git a/Makefile b/Makefile
index 51b02a7..7dc58e6 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,8 @@ RUN = docker run -v `pwd`:$(SOURCE_PATH) -e AWS_ACCESS_KEY_ID=AKIAIOJPOSYCQCWU4Y
 BENCHMARK = BenchmarkRAWInput
 TEST = TestRawListenerBench
 VERSION = DEV-$(shell date +%s)
-LDFLAGS = -ldflags "-X main.VERSION=$(VERSION)_PRO -extldflags \"-static\""
-MAC_LDFLAGS = -ldflags "-X main.VERSION=$(VERSION)_PRO"
+LDFLAGS = -ldflags "-X main.VERSION=$(VERSION)_PRO -extldflags \"-static\" -X main.DEMO=$(DEMO)"
+MAC_LDFLAGS = -ldflags "-X main.VERSION=$(VERSION)_PRO -X main.DEMO=$(DEMO)"
 FADDR = ":8000"
 
 release: release-x64 release-mac
diff --git a/settings.go b/settings.go
index 6fcb11d..a682ba6 100644
--- a/settings.go
+++ b/settings.go
@@ -9,6 +9,7 @@ import (
 )
 
 var VERSION string
+var DEMO string
 
 // MultiOption allows to specify multiple flags with same name and collects all values into array
 type MultiOption []string
@@ -91,7 +92,12 @@ func init() {
 	flag.BoolVar(&Settings.verbose, "verbose", false, "Turn on more verbose output")
 	flag.BoolVar(&Settings.debug, "debug", false, "Turn on debug output, shows all intercepted traffic. Works only when with `verbose` flag")
 	flag.BoolVar(&Settings.stats, "stats", false, "Turn on queue stats output")
-	flag.DurationVar(&Settings.exitAfter, "exit-after", 0, "exit after specified duration")
+
+    if DEMO == "" {
+        flag.DurationVar(&Settings.exitAfter, "exit-after", 0, "exit after specified duration")
+    } else {
+        Settings.exitAfter = 5 * time.Minute
+    }
 
 	flag.BoolVar(&Settings.splitOutput, "split-output", false, "By default each output gets same traffic. If set to `true` it splits traffic equally among all outputs.")