diff --git a/plugin/src/main/java/at/helpch/chatchat/util/ChannelUtils.java b/plugin/src/main/java/at/helpch/chatchat/util/ChannelUtils.java
index 16ec5fd..48dd3e0 100644
--- a/plugin/src/main/java/at/helpch/chatchat/util/ChannelUtils.java
+++ b/plugin/src/main/java/at/helpch/chatchat/util/ChannelUtils.java
@@ -54,7 +54,7 @@ public static boolean isTargetWithinRadius(
         }
 
         if (radius != -1 && source instanceof ChatUser) {
-            final Location targetLocation = targetChatUser.player().getLocation();
+            final Location sourceLocation = targetChatUser.player().getLocation();
             final Location targetLocation = ((ChatUser) target).player().getLocation();
 
             final World sourceWorld = sourceLocation.getWorld();
@@ -64,6 +64,9 @@ public static boolean isTargetWithinRadius(
                 return false;
             }
 
+            final int relativeX = targetLocation.getBlockX() - sourceLocation.getBlockX();
+            final int relativeZ = targetLocation.getBlockZ() - sourceLocation.getBlockZ();
+
             return relativeX*relativeX + relativeZ*relativeZ <= radius*radius;
         }