diff --git a/module/data/action/baseAction.mjs b/module/data/action/baseAction.mjs
index 2f4b306f..1fa14186 100644
--- a/module/data/action/baseAction.mjs
+++ b/module/data/action/baseAction.mjs
@@ -276,7 +276,13 @@ export default class DHBaseAction extends ActionMixin(foundry.abstract.DataModel
         if (actor)
             return Array.from(await actor.allApplicableEffects()).filter(effect => {
                 /* Effects on weapons only ever apply for the weapon itself */
-                if (effect.parent.type === 'weapon' && effectParent?.id !== effect.parent.id) return false;
+                if (effect.parent.type === 'weapon') {
+                    /* Unless they're secondary - then they apply only to other primary weapons */
+                    if (effect.parent.system.secondary) {
+                        if (effectParent.type !== 'weapon' || effectParent.system.secondary) return false;
+                    } else if (effectParent?.id !== effect.parent.id) return false;
+                }
+
                 return !effect.isSuppressed;
             });