diff --git a/runelite-client/src/main/java/net/runelite/client/RuneLite.java b/runelite-client/src/main/java/net/runelite/client/RuneLite.java
index 78481bcd2c..db09d65a93 100644
--- a/runelite-client/src/main/java/net/runelite/client/RuneLite.java
+++ b/runelite-client/src/main/java/net/runelite/client/RuneLite.java
@@ -201,7 +201,7 @@ public class RuneLite
 				gui.setAlwaysOnTop(runeliteConfig.gameAlwaysOnTop());
 			}
 
-			gui.setResizable(runeliteConfig.isResizable());
+			gui.setResizable(!runeliteConfig.lockWindowSize());
 		});
 
 		eventBus.post(new ClientUILoaded());
diff --git a/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java b/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java
index a45053d35f..9c36e7de39 100644
--- a/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java
+++ b/runelite-client/src/main/java/net/runelite/client/config/RuneLiteConfig.java
@@ -45,13 +45,13 @@ public interface RuneLiteConfig extends Config
 	}
 
 	@ConfigItem(
-		keyName = "isResizable",
-		name = "Enable window resizing",
-		description = "Determines if the window is resizable"
+		keyName = "lockWindowSize",
+		name = "Lock window size",
+		description = "Determines if the window resizing is allowed or not"
 	)
-	default boolean isResizable()
+	default boolean lockWindowSize()
 	{
-		return true;
+		return false;
 	}
 
 	@ConfigItem(
diff --git a/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java b/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java
index 2ad0ae7f31..7ebe735d12 100644
--- a/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java
+++ b/runelite-client/src/main/java/net/runelite/client/ui/ClientUI.java
@@ -245,12 +245,9 @@ public class ClientUI extends JFrame
 			}
 		}
 
-		if (event.getKey().equals("isResizable"))
+		if (event.getKey().equals("lockWindowSize"))
 		{
-			SwingUtilities.invokeLater(() ->
-			{
-				this.setResizable(Boolean.valueOf(event.getNewValue()));
-			});
+			SwingUtilities.invokeLater(() -> setResizable(!Boolean.valueOf(event.getNewValue())));
 		}
 
 		if (!event.getKey().equals("gameSize"))