diff --git a/src/utils/cohortCreation.ts b/src/utils/cohortCreation.ts
index 21284fdf9..1f7134352 100644
--- a/src/utils/cohortCreation.ts
+++ b/src/utils/cohortCreation.ts
@@ -2097,7 +2097,7 @@ export const getDataFromFetch = async (
                 ) {
                   for (const code of currentcriterion.code) {
                     const prevData = prevDataCache[dataKey]?.find(
-                      (data: any) => data.id === code?.id && data.system && code?.system
+                      (data: any) => data.id === code?.id && data.system === code?.system
                     )
                     const codeData = prevData ? [prevData] : await _criterion.fetch[dataKey]?.(code?.id, code?.system)
                     const existingCodes = criteriaDataCache.data[dataKey] || []