diff --git a/5/entrypoint.sh b/5/entrypoint.sh
index 15fa976..45d81ab 100755
--- a/5/entrypoint.sh
+++ b/5/entrypoint.sh
@@ -9,6 +9,14 @@ if [ -n "$ADMINER_DESIGN" ]; then
 	fi
 fi
 
+if [ -n "$ADMINER_DESIGN_DARK" ]; then
+	# Only create link on initial start, to ensure that explicit changes to
+	# adminer-dark.css after the container was started once are preserved.
+	if [ ! -e .adminer-init ]; then
+		ln -sf "designs/$ADMINER_DESIGN_DARK/adminer-dark.css" .
+	fi
+fi
+
 number=1
 for PLUGIN in $ADMINER_PLUGINS; do
 	php plugin-loader.php "$PLUGIN" > plugins-enabled/$(printf "%03d" $number)-$PLUGIN.php
diff --git a/5/fastcgi/entrypoint.sh b/5/fastcgi/entrypoint.sh
index 15fa976..45d81ab 100755
--- a/5/fastcgi/entrypoint.sh
+++ b/5/fastcgi/entrypoint.sh
@@ -9,6 +9,14 @@ if [ -n "$ADMINER_DESIGN" ]; then
 	fi
 fi
 
+if [ -n "$ADMINER_DESIGN_DARK" ]; then
+	# Only create link on initial start, to ensure that explicit changes to
+	# adminer-dark.css after the container was started once are preserved.
+	if [ ! -e .adminer-init ]; then
+		ln -sf "designs/$ADMINER_DESIGN_DARK/adminer-dark.css" .
+	fi
+fi
+
 number=1
 for PLUGIN in $ADMINER_PLUGINS; do
 	php plugin-loader.php "$PLUGIN" > plugins-enabled/$(printf "%03d" $number)-$PLUGIN.php