diff --git a/core/cql/src/cql-translator.service.ts b/core/cql/src/cql-translator.service.ts
index 198ddcf..c4fbd13 100644
--- a/core/cql/src/cql-translator.service.ts
+++ b/core/cql/src/cql-translator.service.ts
@@ -138,7 +138,10 @@ export class CqlTranslatorService implements QueryTranslator {
       "include FHIRHelpers version '4.0.0'\n" +
       "\n"
 
-    let singletons: string = "define InInitialPopulation:\n"
+    let singletons: string = (this.configuration.backendMeasureReplacement)
+      ? "DKTK_STRAT_DEF_IN_INITIAL_POPULATION\n"
+      : "define InInitialPopulation:\n"
+
     query.children.forEach((criterion: Operation | Condition) => {
       singletons += this.getSingleton(criterion)
     })
diff --git a/core/src/lib/lens-config.ts b/core/src/lib/lens-config.ts
index b1c6ff1..d25399d 100644
--- a/core/src/lib/lens-config.ts
+++ b/core/src/lib/lens-config.ts
@@ -10,7 +10,8 @@ export class LensConfig {
       key: string,
       measure: Object
       cql: string,
-    }[] = []
+    }[] = [],
+    public backendMeasureReplacement: boolean = true
   ) {
   }