diff -urEb dcmtk-3.7.0.orig/dcmdata/data/private.dic dcmtk-3.7.0/dcmdata/data/private.dic
--- dcmtk-3.7.0.orig/dcmdata/data/private.dic	2026-08-31 08:46:14.108692323 +0200
+++ dcmtk-3.7.0/dcmdata/data/private.dic	2026-08-31 08:48:11.313175071 +0200
@@ -249,11 +249,11 @@
 (0601,"ELSCINT1",72)	DS	BatchSliceNumber	1	PrivateTag
 
 (0009,"FDMS 1.0",04)	SH	ImageControlUnit	1	PrivateTag
-(0009,"FDMS 1.0",05)	OW	ImageUID	1	PrivateTag
-(0009,"FDMS 1.0",06)	OW	RouteImageUID	1	PrivateTag
+(0009,"FDMS 1.0",05)	UN	ImageUID	1	PrivateTag
+(0009,"FDMS 1.0",06)	UN	RouteImageUID	1	PrivateTag
 (0009,"FDMS 1.0",08)	UL	ImageDisplayInformationVersionNo	1	PrivateTag
 (0009,"FDMS 1.0",09)	UL	PatientInformationVersionNo	1	PrivateTag
-(0009,"FDMS 1.0",0C)	OW	FilmUID	1	PrivateTag
+(0009,"FDMS 1.0",0C)	UN	FilmUID	1	PrivateTag
 (0009,"FDMS 1.0",10)	CS	ExposureUnitTypeCode	1	PrivateTag
 (0009,"FDMS 1.0",80)	LO	KanjiHospitalName	1	PrivateTag
 (0009,"FDMS 1.0",90)	ST	DistributionCode	1	PrivateTag
Only in dcmtk-3.7.0/dcmdata/data: private.dic~