diff --git a/flyteadmin/go.mod b/flyteadmin/go.mod
index ac74384250..b7d4364542 100644
--- a/flyteadmin/go.mod
+++ b/flyteadmin/go.mod
@@ -175,6 +175,8 @@ require (
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
+	github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.46.1 // indirect
 	go.opentelemetry.io/otel/exporters/jaeger v1.17.0 // indirect
diff --git a/flyteadmin/go.sum b/flyteadmin/go.sum
index dba9da2e86..1e8e7cc367 100644
--- a/flyteadmin/go.sum
+++ b/flyteadmin/go.sum
@@ -1295,6 +1295,10 @@ github.com/unrolled/secure v0.0.0-20181005190816-ff9db2ff917f/go.mod h1:mnPT77IA
 github.com/urfave/negroni v1.0.0/go.mod h1:Meg73S6kFm/4PpbYdq35yYWoCZ9mS/YSx+lKnmiohz4=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/vmihailenco/msgpack/v5 v5.4.1 h1:cQriyiUvjTwOHg8QZaPihLWeRAAVoCpE00IUPn0Bjt8=
+github.com/vmihailenco/msgpack/v5 v5.4.1/go.mod h1:GaZTsDaehaPpQVyxrf5mtQlH+pc21PIudVV/E3rRQok=
+github.com/vmihailenco/tagparser/v2 v2.0.0 h1:y09buUbR+b5aycVFQs/g70pqKVZNBmxwAhO7/IwNM9g=
+github.com/vmihailenco/tagparser/v2 v2.0.0/go.mod h1:Wri+At7QHww0WTrCBeu4J6bNtoV6mEfg5OIWRZA9qds=
 github.com/wI2L/jsondiff v0.5.0 h1:RRMTi/mH+R2aXcPe1VYyvGINJqQfC3R+KSEakuU1Ikw=
 github.com/wI2L/jsondiff v0.5.0/go.mod h1:qqG6hnK0Lsrz2BpIVCxWiK9ItsBCpIZQiv0izJjOZ9s=
 github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhemzwFU4jHLhdvlE6uDZjXFejJXr49I=
diff --git a/flytepropeller/pkg/controller/nodes/attr_path_resolver.go b/flytepropeller/pkg/controller/nodes/attr_path_resolver.go
index 204b0d7190..cec6c35dce 100644
--- a/flytepropeller/pkg/controller/nodes/attr_path_resolver.go
+++ b/flytepropeller/pkg/controller/nodes/attr_path_resolver.go
@@ -86,7 +86,7 @@ func resolveAttrPathInPbStruct(nodeID string, st *structpb.Struct, bindAttrPath
 	}
 
 	// After resolve, convert the interface to literal
-	literal, err := convertInterfaceToLiteral(nodeID, currVal)
+	literal, err := convertInterfaceToLiteral(nodeID, currVal, false)
 
 	return literal, err
 }
@@ -136,7 +136,7 @@ func resolveAttrPathInJson(nodeID string, json_byte []byte, bindAttrPath []*core
 	}
 
 	// After resolve, convert the interface to literal
-	literal, err := convertInterfaceToLiteral(nodeID, currVal)
+	literal, err := convertInterfaceToLiteral(nodeID, currVal, true)
 
 	return literal, err
 }
@@ -168,34 +168,48 @@ func convertNumbers(v interface{}) interface{} {
 }
 
 // convertInterfaceToLiteral converts the protobuf struct (e.g. dataclass) to literal
-func convertInterfaceToLiteral(nodeID string, obj interface{}) (*core.Literal, error) {
+func convertInterfaceToLiteral(nodeID string, obj interface{}, isJson bool) (*core.Literal, error) {
 
 	literal := &core.Literal{}
 
 	switch obj := obj.(type) {
 	case map[string]interface{}:
-		jsonBytes, err := json.Marshal(obj)
-		if err != nil {
-			return nil, err
-		}
-		jsonBytes, err = msgpack.Marshal(jsonBytes)
-		if err != nil {
-			return nil, err
-		}
-		literal.Value = &core.Literal_Scalar{
-			Scalar: &core.Scalar{
-				Value: &core.Scalar_Json{
-					Json: &core.Json{
-						Value: jsonBytes,
+		if isJson {
+			jsonBytes, err := json.Marshal(obj)
+			if err != nil {
+				return nil, err
+			}
+			jsonBytes, err = msgpack.Marshal(jsonBytes)
+			if err != nil {
+				return nil, err
+			}
+			literal.Value = &core.Literal_Scalar{
+				Scalar: &core.Scalar{
+					Value: &core.Scalar_Json{
+						Json: &core.Json{
+							Value: jsonBytes,
+						},
 					},
 				},
-			},
+			}
+		} else {
+			newSt, err := structpb.NewStruct(obj)
+			if err != nil {
+				return nil, err
+			}
+			literal.Value = &core.Literal_Scalar{
+				Scalar: &core.Scalar{
+					Value: &core.Scalar_Generic{
+						Generic: newSt,
+					},
+				},
+			}
 		}
 	case []interface{}:
 		literals := []*core.Literal{}
 		for _, v := range obj {
 			// recursively convert the interface to literal
-			literal, err := convertInterfaceToLiteral(nodeID, v)
+			literal, err := convertInterfaceToLiteral(nodeID, v, isJson)
 			if err != nil {
 				return nil, err
 			}