diff --git a/app/src/main/java/fr/free/nrw/commons/media/CaptionListViewAdapter.java b/app/src/main/java/fr/free/nrw/commons/media/CaptionListViewAdapter.java
deleted file mode 100644
index 759eb2af7..000000000
--- a/app/src/main/java/fr/free/nrw/commons/media/CaptionListViewAdapter.java
+++ /dev/null
@@ -1,67 +0,0 @@
-package fr.free.nrw.commons.media;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-import android.widget.TextView;
-import fr.free.nrw.commons.R;
-import java.util.List;
-
-/**
- * Adapter for Caption Listview
- */
-public class CaptionListViewAdapter extends BaseAdapter {
-
-  List<Caption> captions;
-
-  public CaptionListViewAdapter(final List<Caption> captions) {
-    this.captions = captions;
-  }
-
-  /**
-   * @return size of captions list
-   */
-  @Override
-  public int getCount() {
-    return captions.size();
-  }
-
-  /**
-   * @return Object at position i
-   */
-  @Override
-  public Object getItem(final int i) {
-    return null;
-  }
-
-  /**
-   * @return id for current item
-   */
-  @Override
-  public long getItemId(final int i) {
-    return 0;
-  }
-
-  /**
-   * inflate the view and bind data with UI
-   */
-  @Override
-  public View getView(final int i, final View view, final ViewGroup viewGroup) {
-    final TextView captionLanguageTextView;
-    final TextView captionTextView;
-    final View captionLayout = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.caption_item, null);
-    captionLanguageTextView = captionLayout.findViewById(R.id.caption_language_textview);
-    captionTextView = captionLayout.findViewById(R.id.caption_text);
-    if (captions.size() == 1 && captions.get(0).getValue().equals("No Caption")) {
-      captionLanguageTextView.setText(captions.get(i).getLanguage());
-      captionTextView.setText(captions.get(i).getValue());
-    } else {
-      captionLanguageTextView.setText(captions.get(i).getLanguage() + ":");
-      captionTextView.setText(captions.get(i).getValue());
-    }
-
-    return captionLayout;
-  }
-
-}
diff --git a/app/src/main/java/fr/free/nrw/commons/media/CaptionListViewAdapter.kt b/app/src/main/java/fr/free/nrw/commons/media/CaptionListViewAdapter.kt
new file mode 100644
index 000000000..8d620b0f8
--- /dev/null
+++ b/app/src/main/java/fr/free/nrw/commons/media/CaptionListViewAdapter.kt
@@ -0,0 +1,43 @@
+package fr.free.nrw.commons.media
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.BaseAdapter
+import android.widget.TextView
+import fr.free.nrw.commons.R
+
+/**
+ * Adapter for Caption Listview
+ */
+class CaptionListViewAdapter(var captions: List<Caption>) : BaseAdapter() {
+    override fun getCount(): Int {
+        return captions.size
+    }
+
+    override fun getItem(i: Int): Any? {
+        return null
+    }
+
+    override fun getItemId(i: Int): Long {
+        return 0
+    }
+
+    override fun getView(i: Int, view: View, viewGroup: ViewGroup): View {
+        val captionLanguageTextView: TextView
+        val captionTextView: TextView
+        val captionLayout = LayoutInflater.from(viewGroup.context)
+            .inflate(R.layout.caption_item, null)
+        captionLanguageTextView = captionLayout.findViewById(R.id.caption_language_textview)
+        captionTextView = captionLayout.findViewById(R.id.caption_text)
+        if (captions.size == 1 && captions[0].value == "No Caption") {
+            captionLanguageTextView.text = captions[i].language
+            captionTextView.text = captions[i].value
+        } else {
+            captionLanguageTextView.text = captions[i].language + ":"
+            captionTextView.text = captions[i].value
+        }
+
+        return captionLayout
+    }
+}