diff --git a/compiler/ballerina-lang/src/main/java/org/wso2/ballerinalang/compiler/bir/codegen/methodgen/LambdaGen.java b/compiler/ballerina-lang/src/main/java/org/wso2/ballerinalang/compiler/bir/codegen/methodgen/LambdaGen.java
index d013ccdf566f..c20f64b0449d 100644
--- a/compiler/ballerina-lang/src/main/java/org/wso2/ballerinalang/compiler/bir/codegen/methodgen/LambdaGen.java
+++ b/compiler/ballerina-lang/src/main/java/org/wso2/ballerinalang/compiler/bir/codegen/methodgen/LambdaGen.java
@@ -363,6 +363,7 @@ private LambdaDetails populateAsyncLambdaDetails(BIRTerminator.AsyncCall asyncIn
         lambdaDetails.lhsType = asyncIns.lhsOp != null ? asyncIns.lhsOp.variableDcl.type : null;
         lambdaDetails.packageID = asyncIns.calleePkg;
         lambdaDetails.funcName = asyncIns.name.getValue();
+        lambdaDetails.encodedFuncName = Utils.encodeFunctionIdentifier(lambdaDetails.funcName);
         if (!asyncIns.isVirtual) {
             populateLambdaFunctionDetails(lambdaDetails);
         }