diff --git a/odoo/addons/base/models/ir_module.py b/odoo/addons/base/models/ir_module.py
index 61772cbff0a..5cfb3156f09 100644
--- a/odoo/addons/base/models/ir_module.py
+++ b/odoo/addons/base/models/ir_module.py
@@ -248,15 +248,14 @@ class Module(models.Model):
 
     @api.depends('icon')
     def _get_icon_image(self):
+        self.icon_image = ''
         for module in self:
-            module.icon_image = ''
+            if not module.id:
+                continue
             if module.icon:
-                path_parts = module.icon.split('/')
-                path = os.path.join(path_parts[1], *path_parts[2:])
-            elif module.id:
-                path = modules.module.get_module_icon_path(module)
+                path = os.path.join(module.icon.lstrip("/"))
             else:
-                path = ''
+                path = modules.module.get_module_icon_path(module)
             if path:
                 try:
                     with tools.file_open(path, 'rb') as image_file:
diff --git a/odoo/addons/base/tests/__init__.py b/odoo/addons/base/tests/__init__.py
index 314c5e4e602..515b927915a 100644
--- a/odoo/addons/base/tests/__init__.py
+++ b/odoo/addons/base/tests/__init__.py
@@ -24,6 +24,7 @@ from . import test_ir_filters
 from . import test_ir_http
 from . import test_ir_mail_server
 from . import test_ir_model
+from . import test_ir_module
 from . import test_ir_sequence
 from . import test_ir_sequence_date_range
 from . import test_ir_default
diff --git a/odoo/addons/base/tests/test_ir_module.py b/odoo/addons/base/tests/test_ir_module.py
new file mode 100644
index 00000000000..65b18043144
--- /dev/null
+++ b/odoo/addons/base/tests/test_ir_module.py
@@ -0,0 +1,22 @@
+from odoo.tests.common import TransactionCase
+from odoo.tools import mute_logger
+
+
+class IrModuleCase(TransactionCase):
+    @mute_logger("odoo.modules.module")
+    def test_missing_module_icon(self):
+        module = self.env["ir.module.module"].create({"name": "missing"})
+        base = self.env["ir.module.module"].search([("name", "=", "base")])
+        self.assertEqual(base.icon_image, module.icon_image)
+
+    @mute_logger("odoo.modules.module")
+    def test_new_module_icon(self):
+        module = self.env["ir.module.module"].new({"name": "missing"})
+        self.assertFalse(module.icon_image)
+
+    @mute_logger("odoo.modules.module")
+    def test_module_wrong_icon(self):
+        module = self.env["ir.module.module"].create(
+            {"name": "wrong_icon", "icon": "/not/valid.png"}
+        )
+        self.assertFalse(module.icon_image)