diff --git a/src/views/trials/trials-panel/attachments/self-attachment/components/SignForm.vue b/src/views/trials/trials-panel/attachments/self-attachment/components/SignForm.vue
index 130a9d8f..4274239c 100644
--- a/src/views/trials/trials-panel/attachments/self-attachment/components/SignForm.vue
+++ b/src/views/trials/trials-panel/attachments/self-attachment/components/SignForm.vue
@@ -143,7 +143,7 @@ export default {
             SubjectVisitId: '',
           },
         }
-        if (this.isSystemDoc) {
+        if (!this.isSystemDoc) {
           params.data.TrialId = this.trialId
           params.signInfo.TrialId = this.trialId
         }