«من أكل أو شرب ناسيا فلا يفطر فإنما هورزق رزقه الله»
The Prophet (peace and blessings be upon him) said:
"Whoever eats or drinks out of forgetfulness, his fast is not broken, for it is merely provision that Allah has given him."
Hadith Referenceصحیح الجامع الصغیر / حرف الميم / 6082