diff --git a/build.py b/build.py
index 66932a2..daa0730 100755
--- a/build.py
+++ b/build.py
@@ -118,7 +118,9 @@ class Tags:
                 version = api_get_source_package_version(branch, package_name)
 
                 if image.version_template is not None:
-                    version = Template(image.version_template).render(version=version)
+                    version = (
+                        Template(image.version_template).render(version=version).strip()
+                    )
 
                 tags = [version]
             else: