diff --git a/OneM2M_Testcases_CSE_Release_4.ttcn b/OneM2M_Testcases_CSE_Release_4.ttcn
index e9c9e59d349b4b3d0451668185c21b43a00845dc..20abede0f0490c4e3835c3e7d1beb18ddf5e1815 100644
--- a/OneM2M_Testcases_CSE_Release_4.ttcn
+++ b/OneM2M_Testcases_CSE_Release_4.ttcn
@@ -18351,7 +18351,7 @@ module OneM2M_Testcases_CSE_Release_4 {
 			var universal charstring v_chr1 := any2unistr(v_createRequest);
 			var NiddUplinkDataNotification v_niddUplinkDataNotification :=
 			{
-				data := v_chr1
+				data := oct2char(unichar2oct(v_chr1))
 			};
 			var RequestBodyT8 niddUplink :=
 			{
@@ -18442,7 +18442,7 @@ module OneM2M_Testcases_CSE_Release_4 {
 			var universal charstring v_chr1 := any2unistr(v_createRequest);
 			var NiddUplinkDataNotification v_niddUplinkDataNotification :=
 			{
-				data := v_chr1
+				data := oct2char(unichar2oct(v_chr1))
 			};
 			var RequestBodyT8 niddUplink :=
 			{
@@ -18540,7 +18540,7 @@ module OneM2M_Testcases_CSE_Release_4 {
 			var universal charstring v_chr1 := any2unistr(v_createRequest);
 			var NiddUplinkDataNotification v_niddUplinkDataNotification :=
 			{
-				data := v_chr1
+				data := oct2char(unichar2oct(v_chr1))
 			};
 			var RequestBodyT8 niddUplink :=
 			{