diff --git a/src/formulas/formulas/utils.ts b/src/formulas/formulas/utils.ts
index a10885e..0bc2790 100644
--- a/src/formulas/formulas/utils.ts
+++ b/src/formulas/formulas/utils.ts
@@ -137,7 +137,7 @@ export const makeSimpleContractFormula = <
               }, Promise.resolve<T | undefined>(undefined) as Promise<T | undefined>)
             : undefined)
 
-    if (!value) {
+    if (value === undefined) {
       if (fallback !== undefined) {
         return fallback
       }