diff --git a/src/main/java/net/sf/jabref/gui/keyboard/KeyBindingsListener.java b/src/main/java/net/sf/jabref/gui/keyboard/KeyBindingsListener.java
index df430c10ee8..96179aa7c44 100644
--- a/src/main/java/net/sf/jabref/gui/keyboard/KeyBindingsListener.java
+++ b/src/main/java/net/sf/jabref/gui/keyboard/KeyBindingsListener.java
@@ -4,6 +4,7 @@
 import java.awt.event.KeyEvent;
 import java.util.ArrayList;
 import java.util.Locale;
+import java.util.stream.Collectors;
 
 /**
  * respond to grabKey and display the key binding
@@ -101,14 +102,7 @@ private String getModifierText(KeyEvent evt) {
             modifiersList.add("meta");
         }
         //Now build the String with all the modifier texts
-        String modifiersAsString = "";
-        for (String s : modifiersList) {
-            //add a spacing if its not the first modifier to be added
-            if (!"".equals(modifiersAsString)) {
-                modifiersAsString += " ";
-            }
-            modifiersAsString += s;
-        }
+        String modifiersAsString = modifiersList.stream().collect(Collectors.joining(" "));
         return modifiersAsString;
     }
 }