diff --git a/CHANGELOG.md b/CHANGELOG.md
index f951c7de222..06dd4948f7e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,7 +48,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 - We fixed an exception which occurred when trying to import entries without an open library. [#5447](https://github.com/JabRef/jabref/issues/5447) 
 - After successful import of one or multiple bib entries the main table scrolls to the first imported entry [#5383](https://github.com/JabRef/jabref/issues/5383)
 - We fixed an exception which occurred when an invalid jstyle was loaded. [#5452](https://github.com/JabRef/jabref/issues/5452)
-
+- We fixed an error where the preview theme did not adapt to the "Dark" mode [#5463](https://github.com/JabRef/jabref/issues/5463)
 
 ### Removed
 
diff --git a/docs/adr/index.md b/docs/adr/README.md
similarity index 100%
rename from docs/adr/index.md
rename to docs/adr/README.md
diff --git a/src/main/java/org/jabref/Globals.java b/src/main/java/org/jabref/Globals.java
index 71466ee47c7..a4399b13207 100644
--- a/src/main/java/org/jabref/Globals.java
+++ b/src/main/java/org/jabref/Globals.java
@@ -40,7 +40,7 @@ public class Globals {
     public static final RemoteListenerServerLifecycle REMOTE_LISTENER = new RemoteListenerServerLifecycle();
     public static final ImportFormatReader IMPORT_FORMAT_READER = new ImportFormatReader();
     public static final TaskExecutor TASK_EXECUTOR = new DefaultTaskExecutor();
-    // In the main program, this field is initialized in JabRef.java
+    // In the main program, this field is initialized in JabRefMain.java
     // Each test case initializes this field if required
     public static JabRefPreferences prefs;
     /**
diff --git a/src/main/java/org/jabref/gui/Dark.css b/src/main/java/org/jabref/gui/Dark.css
index 8df9935c460..b9ec0058a23 100644
--- a/src/main/java/org/jabref/gui/Dark.css
+++ b/src/main/java/org/jabref/gui/Dark.css
@@ -50,3 +50,8 @@
 
     -jr-tooltip-fg: derive(-fx-light-text-color, 50%);
 }
+
+#previewBody{
+    background-color: #272b38; /* -fx-control-inner-background*/
+    color : #7d8591; /* -fx-mid-text-color*/
+}
diff --git a/src/main/java/org/jabref/gui/preview/PreviewPanel.java b/src/main/java/org/jabref/gui/preview/PreviewPanel.java
index 3f25375cf5b..941818ae8ef 100644
--- a/src/main/java/org/jabref/gui/preview/PreviewPanel.java
+++ b/src/main/java/org/jabref/gui/preview/PreviewPanel.java
@@ -54,6 +54,7 @@ public PreviewPanel(BibDatabaseContext database, DialogService dialogService, Ex
         previewView = new PreviewViewer(database, dialogService, Globals.stateManager);
         previewView.setLayout(previewPreferences.getCurrentPreviewStyle());
         previewView.setContextMenu(createPopupMenu());
+        previewView.setTheme(this.preferences.get(JabRefPreferences.FX_THEME));
         previewView.setOnDragDetected(event -> {
             previewView.startFullDrag();
 
diff --git a/src/main/java/org/jabref/gui/preview/PreviewViewer.java b/src/main/java/org/jabref/gui/preview/PreviewViewer.java
index dcef5afa063..4e1201b92dc 100644
--- a/src/main/java/org/jabref/gui/preview/PreviewViewer.java
+++ b/src/main/java/org/jabref/gui/preview/PreviewViewer.java
@@ -16,9 +16,11 @@
 import org.jabref.Globals;
 import org.jabref.gui.ClipBoardManager;
 import org.jabref.gui.DialogService;
+import org.jabref.gui.JabRefFrame;
 import org.jabref.gui.StateManager;
 import org.jabref.gui.util.BackgroundTask;
 import org.jabref.gui.util.TaskExecutor;
+import org.jabref.gui.util.ThemeLoader;
 import org.jabref.logic.citationstyle.PreviewLayout;
 import org.jabref.logic.exporter.ExporterFactory;
 import org.jabref.logic.l10n.Localization;
@@ -112,6 +114,13 @@ public PreviewViewer(BibDatabaseContext database, DialogService dialogService, S
 
     }
 
+    public void setTheme(String theme) {
+        if (theme.equals(ThemeLoader.DARK_CSS)) {
+            previewView.getEngine().setUserStyleSheetLocation(JabRefFrame.class.getResource(ThemeLoader.DARK_CSS).toString());
+        }
+    
+    }
+
     private void highlightSearchPattern() {
         if (searchHighlightPattern.isPresent()) {
             String pattern = searchHighlightPattern.get().pattern().replace("\\Q", "").replace("\\E", "");
@@ -175,7 +184,7 @@ private void update() {
     }
 
     private void setPreviewText(String text) {
-        String myText = "<html>" + JS_HIGHLIGHT_FUNCTION + "<body><div id=\"content\">" + text + "</div></body></html>";
+        String myText = "<html>" + JS_HIGHLIGHT_FUNCTION + "<body id=\"previewBody\"><div id=\"content\">" + text + "</div></body></html>";
         previewView.getEngine().setJavaScriptEnabled(true);
         previewView.getEngine().loadContent(myText);