diff --git a/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx b/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx
index 5dc30e540..f8e376606 100644
--- a/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx
+++ b/Source/DataDictionary/gdcmPrivateDefaultDicts.cxx
@@ -5991,10 +5991,10 @@ static const DICT_ENTRY DICOMV3DataDict [] = {
   {0x0019,0x0004,"MMCPrivate",VR::DS,VM::VM1,"MaxFsColor",false },
   {0x0019,0x0005,"MMCPrivate",VR::LO,VM::VM1,"SeriesCategoryType",false },
   {0x0019,0x0007,"MMCPrivate",VR::LO,VM::VM1,"ImageContrastBolusAgent",false },
-  {0x0019,0x0008,"MMCPrivate",VR::LO,VM::VM1,"ImageSliceThickness",false },
-  {0x0019,0x0009,"MMCPrivate",VR::LO,VM::VM1,"ImageReconstructionDiameter",false },
+  {0x0019,0x0008,"MMCPrivate",VR::DS,VM::VM1,"ImageSliceThickness",false },
+  {0x0019,0x0009,"MMCPrivate",VR::DS,VM::VM1,"ImageReconstructionDiameter",false },
   {0x0019,0x000a,"MMCPrivate",VR::LO,VM::VM1,"ImageEchoTime",false },
-  {0x0019,0x000b,"MMCPrivate",VR::LO,VM::VM1,"ImageRepetitionTime",false },
+  {0x0019,0x000b,"MMCPrivate",VR::DS,VM::VM1,"ImageRepetitionTime",false },
   {0x0019,0x000c,"MMCPrivate",VR::LO,VM::VM1,"SequenceType",false },
   {0x0019,0x000d,"MMCPrivate",VR::LO,VM::VM1,"TaskUid",false },
   {0x0019,0x000e,"MMCPrivate",VR::OB,VM::VM1,"SeriesAppData",false },
diff --git a/Source/DataDictionary/privatedicts.xml b/Source/DataDictionary/privatedicts.xml
index a3eee5fd9..7281c8abb 100644
--- a/Source/DataDictionary/privatedicts.xml
+++ b/Source/DataDictionary/privatedicts.xml
@@ -5261,10 +5261,10 @@
   <entry owner="MMCPrivate" group="0019" element="xx04" vr="DS" vm="1" name="MaxFsColor"/>
   <entry owner="MMCPrivate" group="0019" element="xx05" vr="LO" vm="1" name="SeriesCategoryType"/>
   <entry owner="MMCPrivate" group="0019" element="xx07" vr="LO" vm="1" name="ImageContrastBolusAgent"/>
-  <entry owner="MMCPrivate" group="0019" element="xx08" vr="LO" vm="1" name="ImageSliceThickness"/>
-  <entry owner="MMCPrivate" group="0019" element="xx09" vr="LO" vm="1" name="ImageReconstructionDiameter"/>
+  <entry owner="MMCPrivate" group="0019" element="xx08" vr="DS" vm="1" name="ImageSliceThickness"/>
+  <entry owner="MMCPrivate" group="0019" element="xx09" vr="DS" vm="1" name="ImageReconstructionDiameter"/>
   <entry owner="MMCPrivate" group="0019" element="xx0a" vr="LO" vm="1" name="ImageEchoTime"/>
-  <entry owner="MMCPrivate" group="0019" element="xx0b" vr="LO" vm="1" name="ImageRepetitionTime"/>
+  <entry owner="MMCPrivate" group="0019" element="xx0b" vr="DS" vm="1" name="ImageRepetitionTime"/>
   <entry owner="MMCPrivate" group="0019" element="xx0c" vr="LO" vm="1" name="SequenceType"/>
   <entry owner="MMCPrivate" group="0019" element="xx0d" vr="LO" vm="1" name="TaskUid"/>
   <entry owner="MMCPrivate" group="0019" element="xx0e" vr="OB" vm="1" name="SeriesAppData"/>