diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java
index 2bb552c74..c221acb6b 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java
@@ -850,7 +850,7 @@ public final class PlatformCommandManager {
 
             event.setSuggestions(suggestions.stream()
                 .map(suggestion -> {
-                    int noSlashLength = arguments.length() - 1;
+                    int noSlashLength = arguments.length();
                     Substring original = suggestion.getReplacedArgument() == split.size()
                         ? Substring.from(arguments, noSlashLength, noSlashLength)
                         : split.get(suggestion.getReplacedArgument());