diff --git a/Core/src/main/java/com/plotsquared/core/PlotSquared.java b/Core/src/main/java/com/plotsquared/core/PlotSquared.java
index 644783935..3a44ca23b 100644
--- a/Core/src/main/java/com/plotsquared/core/PlotSquared.java
+++ b/Core/src/main/java/com/plotsquared/core/PlotSquared.java
@@ -186,7 +186,8 @@ public class PlotSquared {
                 DefaultCaptionProvider.forClassLoaderFormatString(
                         this.getClass().getClassLoader(),
                         "lang/messages_%s.json"
-                )
+                ),
+                TranslatableCaption.DEFAULT_NAMESPACE
         ); // the path in our jar file
         // Load caption map
         try {
@@ -1534,7 +1535,8 @@ public class PlotSquared {
     }
 
     /**
-     * Register a caption map
+     * Register a caption map. The namespace needs be equal to the namespace used for
+     * the {@link TranslatableCaption}s inside the map.
      *
      * @param namespace  Namespace
      * @param captionMap Map instance
diff --git a/Core/src/main/java/com/plotsquared/core/configuration/caption/load/CaptionLoader.java b/Core/src/main/java/com/plotsquared/core/configuration/caption/load/CaptionLoader.java
index b4e0b2d2e..ac191dc8f 100644
--- a/Core/src/main/java/com/plotsquared/core/configuration/caption/load/CaptionLoader.java
+++ b/Core/src/main/java/com/plotsquared/core/configuration/caption/load/CaptionLoader.java
@@ -32,9 +32,9 @@ import com.plotsquared.core.configuration.caption.CaptionMap;
 import com.plotsquared.core.configuration.caption.LocalizedCaptionMap;
 import com.plotsquared.core.configuration.caption.PerUserLocaleCaptionMap;
 import com.plotsquared.core.configuration.caption.TranslatableCaption;
-import org.checkerframework.checker.nullness.qual.NonNull;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.checkerframework.checker.nullness.qual.NonNull;
 
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
@@ -76,15 +76,18 @@ public final class CaptionLoader {
     private final Locale defaultLocale;
     private final Function<Path, Locale> localeExtractor;
     private final DefaultCaptionProvider captionProvider;
+    private final String namespace;
 
     private CaptionLoader(
             final @NonNull Locale internalLocale,
             final @NonNull Function<@NonNull Path, @NonNull Locale> localeExtractor,
-            final @NonNull DefaultCaptionProvider captionProvider
+            final @NonNull DefaultCaptionProvider captionProvider,
+            final @NonNull String namespace
     ) {
         this.defaultLocale = internalLocale;
         this.localeExtractor = localeExtractor;
         this.captionProvider = captionProvider;
+        this.namespace = namespace;
         Map<String, String> temp;
         try {
             temp = this.captionProvider.loadDefaults(internalLocale);
@@ -107,9 +110,10 @@ public final class CaptionLoader {
     public static @NonNull CaptionLoader of(
             final @NonNull Locale internalLocale,
             final @NonNull Function<@NonNull Path, @NonNull Locale> localeExtractor,
-            final @NonNull DefaultCaptionProvider captionProvider
+            final @NonNull DefaultCaptionProvider captionProvider,
+            final @NonNull String namespace
     ) {
-        return new CaptionLoader(internalLocale, localeExtractor, captionProvider);
+        return new CaptionLoader(internalLocale, localeExtractor, captionProvider, namespace);
     }
 
     /**
@@ -209,7 +213,10 @@ public final class CaptionLoader {
                 save(file, map); // update the file using the modified map
             }
             return new LocalizedCaptionMap(locale, map.entrySet().stream()
-                    .collect(Collectors.toMap(entry -> TranslatableCaption.of(entry.getKey()), Map.Entry::getValue)));
+                    .collect(Collectors.toMap(
+                            entry -> TranslatableCaption.of(this.namespace, entry.getKey()),
+                            Map.Entry::getValue)
+                    ));
         }
     }