diff --git a/lib/message/support/36413-a90.asn b/lib/message/s1ap/support/36413-a90.asn
similarity index 100%
rename from lib/message/support/36413-a90.asn
rename to lib/message/s1ap/support/36413-a90.asn
diff --git a/lib/message/support/36413-a90.txt b/lib/message/s1ap/support/36413-a90.txt
similarity index 100%
rename from lib/message/support/36413-a90.txt
rename to lib/message/s1ap/support/36413-a90.txt
diff --git a/lib/message/support/README b/lib/message/s1ap/support/README
similarity index 100%
rename from lib/message/support/README
rename to lib/message/s1ap/support/README
diff --git a/lib/message/support/S1AP-PDU.asn b/lib/message/s1ap/support/S1AP-PDU.asn
similarity index 100%
rename from lib/message/support/S1AP-PDU.asn
rename to lib/message/s1ap/support/S1AP-PDU.asn
diff --git a/lib/message/support/asn1prefix.py b/lib/message/s1ap/support/asn1prefix.py
similarity index 100%
rename from lib/message/support/asn1prefix.py
rename to lib/message/s1ap/support/asn1prefix.py
diff --git a/lib/message/support/asn1tostruct.py b/lib/message/s1ap/support/asn1tostruct.py
similarity index 100%
rename from lib/message/support/asn1tostruct.py
rename to lib/message/s1ap/support/asn1tostruct.py