# Testing for FALSE works inconsistently **URL:** \ **Category:** Ask for Help\ **Created:** [August 11, 2021, 6:13pm UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326 "2021-08-11T18:13:48Z")\ **Posts on this page:** 9\ **Page:** 2
**Author:** ![Uzo](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/uzo/32/22639_2.png) [@Uzo](https://community.glideapps.com/u/Uzo)\ **Post date:** [August 11, 2021, 10:13pm UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/21 "2021-08-11T22:13:16Z")
yes, always use is not TRUE ---
**Author:** ![baremeter](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/baremeter/32/28090_2.png) [@baremeter](https://community.glideapps.com/u/baremeter)\ **Post date:** [August 11, 2021, 10:16pm UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/22 "2021-08-11T22:16:17Z")
AHAH now it works - thank you all - I feel a bit daft now ! ---
**Author:** ![david](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/david/32/62831_2.png) [@david](https://community.glideapps.com/u/david)\ **Post date:** [August 11, 2021, 10:33pm UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/23 "2021-08-11T22:33:46Z")
> [@david](#): > > `NO` is different from blank. Use `is TRUE` for `TRUE` , and `is not TRUE` for `FALSE` . Yes, that’s what I meant. ---
**Author:** ![ThinhDinh](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/thinhdinh/32/49_2.png) [@ThinhDinh](https://community.glideapps.com/u/ThinhDinh)\ **Post date:** [August 11, 2021, 11:18pm UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/24 "2021-08-11T23:18:06Z")
David’s point was that there could be three states for a boolean: - Empty (when you start with a completely new boolean column it may have not been assigned any values) - False (when you have pre-assigned a false or switch from true to false) - True (when you have pre-assigned a true or switch from false to true) In your case, your column value seems like an empty rather than a false, hence use is not true instead of false to cover both bases. ---
**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\ **Post date:** [August 12, 2021, 1:57am UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/25 "2021-08-12T01:57:49Z")
> [@Jeff\_Hager](#): > > Once you uncheck it, it becomes False and will never be blank again. …unless of course, you clear it 😉 ---
**Author:** ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager)\ **Post date:** [August 12, 2021, 3:06am UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/26 "2021-08-12T03:06:08Z")
Well don’t clear it. 😉 ---
**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\ **Post date:** [August 12, 2021, 3:25am UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/27 "2021-08-12T03:25:28Z")
hehe… actually, I do - all the time. I’ve gotten into the habit of clearing my booleans instead of setting them to false. So I basically ignore the false state and just check for true/not true. ---
**Author:** ![Lucas\_Pires](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/lucas_pires/32/64863_2.png) [@Lucas\_Pires](https://community.glideapps.com/u/Lucas_Pires)\ **Post date:** [August 12, 2021, 3:28am UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/28 "2021-08-12T03:28:09Z")
I do - every single word - the same ---
**Author:** ![NoCodeAndy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/nocodeandy/32/62530_2.png) [@NoCodeAndy](https://community.glideapps.com/u/NoCodeAndy)\ **Post date:** [January 17, 2024, 4:50pm UTC](https://community.glideapps.com/t/testing-for-false-works-inconsistently/30326/29 "2024-01-17T16:50:53Z")
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