diff --git a/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx b/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx
index f8e376606..647d5d0d9 100644
--- a/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx
+++ b/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx
@@ -6074,7 +6074,7 @@ static const DICT_ENTRY DICOMV3DataDict [] = {
   {0x0029,0x003a,"MMCPrivate",VR::LT,VM::VM1,"SOPAuthorizationComment",false },
   {0x0029,0x003b,"MMCPrivate",VR::LO,VM::VM1,"AuthorizationEquipmentCertificationNumber",false },
   {0x0029,0x003c,"MMCPrivate",VR::UL,VM::VM1,"ConcatenationFrameOffsetNumber",false },
-  {0x0029,0x003d,"MMCPrivate",VR::CS,VM::VM1,"RepresentativeFrameNumber",false },
+  {0x0029,0x003d,"MMCPrivate",VR::US,VM::VM1,"RepresentativeFrameNumber",false },
   {0x0029,0x003e,"MMCPrivate",VR::UI,VM::VM1,"ConcatenationUID",false },
   {0x0029,0x003f,"MMCPrivate",VR::US,VM::VM1,"InConcatenationNumber",false },
   {0x0029,0x0040,"MMCPrivate",VR::CS,VM::VM1,"CardiacSynchronizationTechnique",false },
diff --git a/Source/DataDictionary/privatedicts.xml b/Source/DataDictionary/privatedicts.xml
index 7281c8abb..bd5abc996 100644
--- a/Source/DataDictionary/privatedicts.xml
+++ b/Source/DataDictionary/privatedicts.xml
@@ -5344,7 +5344,7 @@
   <entry owner="MMCPrivate" group="0029" element="xx3a" vr="LT" vm="1" name="SOPAuthorizationComment"/>
   <entry owner="MMCPrivate" group="0029" element="xx3b" vr="LO" vm="1" name="AuthorizationEquipmentCertificationNumber"/>
   <entry owner="MMCPrivate" group="0029" element="xx3c" vr="UL" vm="1" name="ConcatenationFrameOffsetNumber"/>
-  <entry owner="MMCPrivate" group="0029" element="xx3d" vr="CS" vm="1" name="RepresentativeFrameNumber"/>
+  <entry owner="MMCPrivate" group="0029" element="xx3d" vr="US" vm="1" name="RepresentativeFrameNumber"/>
   <entry owner="MMCPrivate" group="0029" element="xx3e" vr="UI" vm="1" name="ConcatenationUID"/>
   <entry owner="MMCPrivate" group="0029" element="xx3f" vr="US" vm="1" name="InConcatenationNumber"/>
   <entry owner="MMCPrivate" group="0029" element="xx40" vr="CS" vm="1" name="CardiacSynchronizationTechnique"/>