diff --git a/homeassistant/components/template/light.py b/homeassistant/components/template/light.py
index 3369bf3ce0f..c7188f380bc 100644
--- a/homeassistant/components/template/light.py
+++ b/homeassistant/components/template/light.py
@@ -1023,7 +1023,7 @@ class LightTemplate(TemplateEntity, LightEntity):
         if render in (None, "None", ""):
             self._supports_transition = False
             return
-        self._attr_supported_features &= LightEntityFeature.EFFECT
+        self._attr_supported_features &= ~LightEntityFeature.TRANSITION
         self._supports_transition = bool(render)
         if self._supports_transition:
             self._attr_supported_features |= LightEntityFeature.TRANSITION