diff --git a/src/views/trials/trials-panel/reading/dicoms/components/Questions.vue b/src/views/trials/trials-panel/reading/dicoms/components/Questions.vue
index efb69398..af74c9a6 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/Questions.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/Questions.vue
@@ -315,7 +315,7 @@ export default {
     async getSplenicState() {
       try {
         var spleenLength = this.questionForm[this.spleenLengthId]
-        spleenLength = isNaN(parseFloat(spleenLength)) ? 0 : parseFloat(spleenLength)
+        spleenLength = isNaN(parseFloat(spleenLength)) ? -1 : parseFloat(spleenLength)
         const result = await getSplenicState(this.visitTaskId, spleenLength)
         return { isSuccess: true, result: result.Result }
       } catch (e) {