diff --git a/pkg/tui/interface.go b/pkg/tui/interface.go
index fe0ac4f..c7593ed 100644
--- a/pkg/tui/interface.go
+++ b/pkg/tui/interface.go
@@ -16,6 +16,11 @@ const (
 	Total
 )
 
+const helpMsg = `Available shortcuts:
+t/T: print total size aggregated by server
+s/S: get user input for server filtering
+?: help`
+
 type Tui struct {
 	analyzer *analyze.Analyzer
 	// displayRecord is used to remember latest accesses time by specific IP
@@ -47,64 +52,7 @@ func (t *Tui) Run() {
 	for {
 		select {
 		case k := <-t.inputChan:
-			switch k {
-			case 'S', 's':
-				t.noPrint.Store(true)
-				servers := a.GetCurrentServers()
-				if len(servers) == 1 {
-					serverFmt := ""
-					if len(servers[0]) > 0 {
-						serverFmt = " (" + servers[0] + ")"
-					}
-					fmt.Printf("Only one server%s is available.\n", serverFmt)
-				} else if len(servers) != 0 {
-					fmt.Println("Please give the server name you want to view. Enter to remove filtering.")
-					// Get all servers available
-					fmt.Println("Available servers:")
-					for _, s := range servers {
-						fmt.Println(s)
-					}
-					var input string
-					n, err := fmt.Scanln(&input)
-					if err != nil {
-						if n != 0 {
-							fmt.Println("Failed to get input:", err)
-						} else {
-							t.serverFilter = ""
-						}
-					} else {
-						found := false
-						for _, str := range servers {
-							if str == input {
-								found = true
-								t.serverFilter = input
-								break
-							}
-						}
-						if !found {
-							fmt.Println("Input does not match existing server.")
-						}
-					}
-				}
-				t.noPrint.Store(false)
-			case 'T', 't':
-				if t.mode == TopValues {
-					t.mode = Total
-					fmt.Println("Switched to showing total")
-				} else {
-					t.mode = TopValues
-					fmt.Println("Switched to showing top values")
-				}
-			case '?':
-				fmt.Println("Available shortcuts:")
-				fmt.Println("t/T: print total size aggregated by server")
-				fmt.Println("s/S: get user input for server filtering")
-				fmt.Println("?: help")
-				fmt.Println()
-			}
-			// This shall always run after input is handled.
-			// Don't write "continue" above!
-			go t.waitForOneByte()
+			t.handleInput(k)
 		case <-t.refreshChan:
 			if t.mode == TopValues {
 				a.PrintTopValues(t.displayRecord, "size", t.serverFilter)
@@ -115,3 +63,64 @@ func (t *Tui) Run() {
 		}
 	}
 }
+
+func (t *Tui) handleInput(key byte) {
+	switch key {
+	case 'S', 's':
+		t.handleS()
+	case 'T', 't':
+		if t.mode == TopValues {
+			t.mode = Total
+			fmt.Println("Switched to showing total")
+		} else {
+			t.mode = TopValues
+			fmt.Println("Switched to showing top values")
+		}
+	case '?':
+		fmt.Println(helpMsg)
+		fmt.Println()
+	}
+	go t.waitForOneByte()
+}
+
+func (t *Tui) handleS() {
+	t.noPrint.Store(true)
+	defer t.noPrint.Store(false)
+
+	servers := t.analyzer.GetCurrentServers()
+	if len(servers) == 1 {
+		serverFmt := ""
+		if len(servers[0]) > 0 {
+			serverFmt = " (" + servers[0] + ")"
+		}
+		fmt.Printf("Only one server%s is available.\n", serverFmt)
+	} else if len(servers) != 0 {
+		fmt.Println("Please give the server name you want to view. Enter to remove filtering.")
+		// Get all servers available
+		fmt.Println("Available servers:")
+		for _, s := range servers {
+			fmt.Println(s)
+		}
+		var input string
+		n, err := fmt.Scanln(&input)
+		if err != nil {
+			if n != 0 {
+				fmt.Println("Failed to get input:", err)
+			} else {
+				t.serverFilter = ""
+			}
+		} else {
+			found := false
+			for _, str := range servers {
+				if str == input {
+					found = true
+					t.serverFilter = input
+					break
+				}
+			}
+			if !found {
+				fmt.Println("Input does not match existing server.")
+			}
+		}
+	}
+}