diff --git a/db/index.js b/db/index.js
index 5c838dc..4fb6240 100644
--- a/db/index.js
+++ b/db/index.js
@@ -90,7 +90,7 @@ export function saveSymptom(symptom, date, val) {
   let cycleDay = getCycleDay(date)
   if (!cycleDay) cycleDay = createCycleDay(date)
   db.write(() => {
-    if (symptom === 'bleeding' && val != null && val.value != null) {
+    if (symptom === 'bleeding' && val && val.value != null) {
       const mensesDaysAfter = getMensesDaysRightAfter(cycleDay)
       maybeSetNewCycleStart({
         val,
diff --git a/lib/set-new-cycle-start.js b/lib/set-new-cycle-start.js
index 34b5a69..ab61cde 100644
--- a/lib/set-new-cycle-start.js
+++ b/lib/set-new-cycle-start.js
@@ -1,7 +1,9 @@
 export default function ({
-  val, cycleDay, mensesDaysAfter, checkIsMensesStart
+  val,
+  cycleDay,
+  mensesDaysAfter,
+  checkIsMensesStart,
 }) {
-
   cycleDay.bleeding = val
 
   // if a bleeding value is deleted or excluded, we need to check if there are
@@ -20,15 +22,15 @@ export default function ({
   }
 
   function bleedingValueDeletedOrExluded(val) {
-    const bleedingDeleted = !val
+    const bleedingDeleted = !val || (val && !(typeof val.value === 'number'))
     const bleedingExcluded = val && val.exclude
     return bleedingDeleted || bleedingExcluded
   }
 
   function maybeClearOldCycleStarts() {
-  // if we have a new bleeding day, we need to clear the
-  // menses start marker from all following days of this
-  // menses that may have been marked as start before
-    mensesDaysAfter.forEach(day => day.isCycleStart = false)
+    // if we have a new bleeding day, we need to clear the
+    // menses start marker from all following days of this
+    // menses that may have been marked as start before
+    mensesDaysAfter.forEach((day) => (day.isCycleStart = false))
   }
-}
\ No newline at end of file
+}