diff --git a/django_typer/management/commands/shellcompletion.py b/django_typer/management/commands/shellcompletion.py
index 82cbbb6..682beb9 100644
--- a/django_typer/management/commands/shellcompletion.py
+++ b/django_typer/management/commands/shellcompletion.py
@@ -218,10 +218,7 @@ def source_vars(self) -> t.Dict[str, t.Any]:
             else "--no-color"
             if self.command.force_color
             else "",
-            "fallback": (
-                f" --fallback {self.command.fallback.__module__}."
-                f"{self.command.fallback.__name__}"
-            )
+            "fallback": f" --fallback {self.command.fallback_import}"
             if self.command.fallback
             else "",
             "is_installed": not isinstance(self.command.manage_script, Path),
@@ -555,6 +552,7 @@ def install(
                         "The name of the template to use for the shell completion script."
                     ),
                 )
+                # todo - add template name completer - see django-render-static
             ),
         ] = None,
     ):
diff --git a/tests/shellcompletion/__init__.py b/tests/shellcompletion/__init__.py
index 33dc09b..40c59ff 100644
--- a/tests/shellcompletion/__init__.py
+++ b/tests/shellcompletion/__init__.py
@@ -17,7 +17,10 @@
 
 from django.test import TestCase
 from django_typer.management import get_command
-from django_typer.management.commands.shellcompletion import Command as ShellCompletion
+from django_typer.management.commands.shellcompletion import (
+    Command as ShellCompletion,
+    DjangoTyperShellCompleter,
+)
 from ..utils import rich_installed
 
 default_shell = None
@@ -72,7 +75,14 @@ class _CompleteTestCase:
 
     @cached_property
     def command(self) -> ShellCompletion:
-        return get_command("shellcompletion", ShellCompletion)
+        cmd = get_command("shellcompletion", ShellCompletion)
+        cmd.init(shell=self.shell)
+        return cmd
+
+    def get_completer(self, **kwargs) -> DjangoTyperShellCompleter:
+        return self.command.shell_class(
+            **{"prog_name": self.manage_script, "command": self.command, **kwargs}
+        )
 
     def setUp(self):
         self.remove()
diff --git a/tests/shellcompletion/test_bash.py b/tests/shellcompletion/test_bash.py
index bb0bf12..fc3d2f4 100644
--- a/tests/shellcompletion/test_bash.py
+++ b/tests/shellcompletion/test_bash.py
@@ -61,3 +61,20 @@ def test_no_bashrc_file(self):
         finally:
             if bashrc:
                 (Path.home() / ".bashrc").write_text(bashrc)
+
+    def test_source_template(self):
+        self.assertEqual(
+            (
+                Path(__file__).parent.parent.parent
+                / "django_typer/templates/shell_complete/bash.sh"
+            ).read_text(),
+            self.get_completer().source_template,
+        )
+
+        self.assertEqual(
+            (
+                Path(__file__).parent.parent.parent
+                / "django_typer/templates/shell_complete/zsh.sh"
+            ).read_text(),
+            self.get_completer(template="shell_complete/zsh.sh").source_template,
+        )