1 files changed, 1 insertions, 1 deletions

diff --git a/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts b/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts
index 767e3f026..d20754d11 100644
--- a/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts
+++ b/client/src/app/shared/forms/form-validators/custom-config-validators.service.ts
@@ -56,7 +56,7 @@ export class CustomConfigValidatorsService {
     }
 
     this.SIGNUP_LIMIT = {
-      VALIDATORS: [ Validators.required, Validators.min(1), Validators.pattern('[0-9]+') ],
+      VALIDATORS: [ Validators.required, Validators.min(-1), Validators.pattern('-?[0-9]+') ],
       MESSAGES: {
         'required': this.i18n('Signup limit is required.'),
         'min': this.i18n('Signup limit must be greater than 1.'),