diff --git a/python/plugins/db_manager/db_plugins/info_model.py b/python/plugins/db_manager/db_plugins/info_model.py
index 0dac39e3a24..c27d77b521b 100644
--- a/python/plugins/db_manager/db_plugins/info_model.py
+++ b/python/plugins/db_manager/db_plugins/info_model.py
@@ -77,7 +77,7 @@ class DatabaseInfo:
 
     def toHtml(self):
         if self.db is None:
-            return HtmlSection(QApplication.translate("DBManagerPlugin", 'Not connected')).toHtml()
+            return HtmlSection(QApplication.translate("DBManagerPlugin", '<warning> Not connected')).toHtml()
 
         ret = []
 
diff --git a/python/plugins/db_manager/gui_utils.py b/python/plugins/db_manager/gui_utils.py
index a9845c107fa..2d999453856 100644
--- a/python/plugins/db_manager/gui_utils.py
+++ b/python/plugins/db_manager/gui_utils.py
@@ -72,11 +72,9 @@ class GuiUtils:
         return path
 
     @staticmethod
-    def get_icon_as_pixmap(icon: str) -> Optional[QPixmap]:
+    def get_pixmap_path(icon: str) -> Optional[str]:
         """
-        Returns a plugin icon's PNG file path
-        :param icon: icon name (png file name)
-        :return: icon png path
+        Returns the path to a pixmap icon
         """
         for suffix in ('.png', '.gif', '.xpm'):
             path = os.path.join(
@@ -84,8 +82,21 @@ class GuiUtils:
                 'icons',
                 icon + suffix)
             if os.path.exists(path):
-                im = QImage(path)
-                return QPixmap.fromImage(im)
+                return path
+
+        return None
+
+    @staticmethod
+    def get_icon_as_pixmap(icon: str) -> Optional[QPixmap]:
+        """
+        Returns a plugin icon's PNG file path
+        :param icon: icon name (png file name)
+        :return: icon png path
+        """
+        path = GuiUtils.get_pixmap_path(icon)
+        if path is not None:
+            im = QImage(path)
+            return QPixmap.fromImage(im)
 
         return None
 
diff --git a/python/plugins/db_manager/info_viewer.py b/python/plugins/db_manager/info_viewer.py
index 3e259af1ad2..d691c8815a0 100644
--- a/python/plugins/db_manager/info_viewer.py
+++ b/python/plugins/db_manager/info_viewer.py
@@ -24,6 +24,7 @@ from qgis.utils import OverrideCursor
 
 from .db_plugins.plugin import BaseError, DbError, DBPlugin, Schema, Table
 from .dlg_db_error import DlgDbError
+from .gui_utils import GuiUtils
 
 
 class InfoViewer(QTextBrowser):
@@ -135,8 +136,9 @@ class InfoViewer(QTextBrowser):
         return True
 
     def setHtml(self, html):
-        # convert special tags :)
-        html = str(html).replace('<warning>', '<img src=":/db_manager/warning">&nbsp;&nbsp; ')
+        # convert special tags
+        warning_icon_path = GuiUtils.get_pixmap_path('warning-20px')
+        html = str(html).replace('<warning>', f'<img src="{warning_icon_path}">&nbsp;&nbsp; ')
 
         # add default style
         html = """