diff --git a/dcm4chee-arc-retrieve/src/main/java/org/dcm4chee/arc/retrieve/impl/RetrieveServiceImpl.java b/dcm4chee-arc-retrieve/src/main/java/org/dcm4chee/arc/retrieve/impl/RetrieveServiceImpl.java
index 618d3e6769..2b10b9b6e1 100644
--- a/dcm4chee-arc-retrieve/src/main/java/org/dcm4chee/arc/retrieve/impl/RetrieveServiceImpl.java
+++ b/dcm4chee-arc-retrieve/src/main/java/org/dcm4chee/arc/retrieve/impl/RetrieveServiceImpl.java
@@ -196,6 +196,9 @@ public RetrieveContext newRetrieveContextSTORE(
     public RetrieveContext newRetrieveContextSTORE(
             String localAET, String studyUID, String seriesUID, Sequence refSopSeq, String destAET)
             throws ConfigurationException {
+        if (refSopSeq == null || refSopSeq.isEmpty()) {
+            return newRetrieveContextSTORE(localAET, studyUID, seriesUID, (String) null, destAET);
+        }
         RetrieveContext ctx = newRetrieveContext(localAET, refSopSeq);
         ctx.setStudyInstanceUIDs(studyUID);
         ctx.setSeriesInstanceUIDs(seriesUID);
diff --git a/dcm4chee-arc-ups-movescu/src/main/java/org/dcm4chee/arc/ups/movescu/UPSMoveSCU.java b/dcm4chee-arc-ups-movescu/src/main/java/org/dcm4chee/arc/ups/movescu/UPSMoveSCU.java
index f5c676e9dc..15498bd824 100644
--- a/dcm4chee-arc-ups-movescu/src/main/java/org/dcm4chee/arc/ups/movescu/UPSMoveSCU.java
+++ b/dcm4chee-arc-ups-movescu/src/main/java/org/dcm4chee/arc/ups/movescu/UPSMoveSCU.java
@@ -42,7 +42,7 @@
 package org.dcm4chee.arc.ups.movescu;
 
 import org.dcm4che3.data.*;
-import org.dcm4che3.dcmr.ScopeOfAccumlation;
+import org.dcm4che3.dcmr.ScopeOfAccumulation;
 import org.dcm4che3.net.Association;
 import org.dcm4che3.net.DimseRSP;
 import org.dcm4che3.net.Status;
@@ -159,15 +159,15 @@ private static class KeysBuilder {
 
         KeysBuilder(Attributes ups) {
             Consumer<Attributes> retrieve = retrieveOf(
-                    UPSUtils.getScheduledProcessingParameter(ups, ScopeOfAccumlation.CODE));
+                    UPSUtils.getScheduledProcessingParameter(ups, ScopeOfAccumulation.CODE));
             ups.getSequence(Tag.InputInformationSequence).stream().forEach(retrieve);
         }
 
         private Consumer<Attributes> retrieveOf(Optional<Code> scopeOfAccumlation) {
             return scopeOfAccumlation.isPresent() ?
-                    (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumlation.Study)
+                    (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumulation.Study)
                             ? this::retrieveStudies
-                            : (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumlation.Series)
+                            : (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumulation.Series)
                                     ? this::retrieveSeries
                                     : this::retrieveInstances))
                     : this::retrieveInstances;
diff --git a/dcm4chee-arc-ups-storescu/src/main/java/org/dcm4chee/arc/ups/storescu/UPSStoreSCU.java b/dcm4chee-arc-ups-storescu/src/main/java/org/dcm4chee/arc/ups/storescu/UPSStoreSCU.java
index 7dfd1aea34..ea051b7b99 100644
--- a/dcm4chee-arc-ups-storescu/src/main/java/org/dcm4chee/arc/ups/storescu/UPSStoreSCU.java
+++ b/dcm4chee-arc-ups-storescu/src/main/java/org/dcm4chee/arc/ups/storescu/UPSStoreSCU.java
@@ -44,7 +44,7 @@
 import org.dcm4che3.conf.api.ConfigurationException;
 import org.dcm4che3.conf.api.ConfigurationNotFoundException;
 import org.dcm4che3.data.*;
-import org.dcm4che3.dcmr.ScopeOfAccumlation;
+import org.dcm4che3.dcmr.ScopeOfAccumulation;
 import org.dcm4che3.net.Status;
 import org.dcm4che3.net.service.DicomServiceException;
 import org.dcm4chee.arc.conf.UPSProcessingRule;
@@ -112,7 +112,7 @@ private RetrieveContext calculateMatches(Attributes ups, String destAET)
             throws DicomServiceException {
         RetrieveContext retrieveContext = null;
         RetrieveLevel retrieveLevel = RetrieveLevel.of(
-                UPSUtils.getScheduledProcessingParameter(ups, ScopeOfAccumlation.CODE));
+                UPSUtils.getScheduledProcessingParameter(ups, ScopeOfAccumulation.CODE));
         Set<String> suids = new HashSet<>();
         for (Attributes inputInformation : ups.getSequence(Tag.InputInformationSequence)) {
             RetrieveContext tmp = newRetrieveContext(retrieveLevel, inputInformation, destAET, suids);
@@ -179,8 +179,8 @@ RetrieveContext newRetrieveContextSTORE(RetrieveService retrieveService, String
 
         public static RetrieveLevel of(Optional<Code> scopeOfAccumlation) {
             return scopeOfAccumlation.isPresent() ?
-                    (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumlation.Study) ? STUDY :
-                            (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumlation.Series) ? SERIES : IMAGE))
+                    (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumulation.Study) ? STUDY :
+                            (scopeOfAccumlation.get().equalsIgnoreMeaning(ScopeOfAccumulation.Series) ? SERIES : IMAGE))
                     : IMAGE;
         }
 
diff --git a/dcm4chee-arc-ups/src/main/java/org/dcm4chee/arc/ups/impl/UPSServiceEJB.java b/dcm4chee-arc-ups/src/main/java/org/dcm4chee/arc/ups/impl/UPSServiceEJB.java
index d7669a9224..f5f62acb6f 100644
--- a/dcm4chee-arc-ups/src/main/java/org/dcm4chee/arc/ups/impl/UPSServiceEJB.java
+++ b/dcm4chee-arc-ups/src/main/java/org/dcm4chee/arc/ups/impl/UPSServiceEJB.java
@@ -43,7 +43,7 @@
 
 import org.dcm4che3.data.*;
 import org.dcm4che3.dcmr.ProcedureDiscontinuationReasons;
-import org.dcm4che3.dcmr.ScopeOfAccumlation;
+import org.dcm4che3.dcmr.ScopeOfAccumulation;
 import org.dcm4che3.hl7.HL7Charset;
 import org.dcm4che3.io.SAXTransformer;
 import org.dcm4che3.io.TemplatesCache;
@@ -821,7 +821,7 @@ private static Attributes createOnStore(StoreContext storeCtx, Calendar now, UPS
                 && !attrs.contains(Tag.InputInformationSequence)) {
             updateIncludeInputInformation(attrs.newSequence(Tag.InputInformationSequence, 1), storeCtx);
         }
-        addScheduledProcessingParameter(attrs, ScopeOfAccumlation.CODE,
+        addScheduledProcessingParameter(attrs, ScopeOfAccumulation.CODE,
                 toScopeOfAccumlation(rule.getScopeOfAccumulation()));
         return attrs;
     }
@@ -844,11 +844,11 @@ private static Code toScopeOfAccumlation(Entity scopeOfAccumulation) {
         if (scopeOfAccumulation != null)
             switch (scopeOfAccumulation) {
                 case Study:
-                    return ScopeOfAccumlation.Study;
+                    return ScopeOfAccumulation.Study;
                 case Series:
-                    return ScopeOfAccumlation.Series;
+                    return ScopeOfAccumulation.Series;
                 case MPPS:
-                    return ScopeOfAccumlation.PerformedProcedureStep;
+                    return ScopeOfAccumulation.PerformedProcedureStep;
             }
         return null;
     }