diff --git a/aurelia-slickgrid/src/aurelia-slickgrid/editors/multipleSelectEditor.ts b/aurelia-slickgrid/src/aurelia-slickgrid/editors/multipleSelectEditor.ts
index 178c3be75..aa37d3fbc 100644
--- a/aurelia-slickgrid/src/aurelia-slickgrid/editors/multipleSelectEditor.ts
+++ b/aurelia-slickgrid/src/aurelia-slickgrid/editors/multipleSelectEditor.ts
@@ -106,7 +106,7 @@ export class MultipleSelectEditor implements Editor {
     }
 
     // user might want to sort the collection
-    if (this.gridOptions && this.gridOptions.params && this.columnDef.params.collectionSortBy) {
+    if (this.columnDef.params && this.columnDef.params.collectionSortBy) {
       const sortBy = this.columnDef.params.collectionSortBy;
       newCollection = this.collectionService.sortCollection(newCollection, sortBy, this.enableTranslateLabel);
     }
@@ -130,7 +130,7 @@ export class MultipleSelectEditor implements Editor {
     this.defaultValue = item[this.columnDef.field].map((i: any) => i.toString());
 
     this.$editorElm.find('option').each((i: number, $e: any) => {
-      if (this.defaultValue === $e.value) {
+      if (this.defaultValue.indexOf($e.value) !== -1) {
         $e.selected = true;
       } else {
         $e.selected = false;
diff --git a/aurelia-slickgrid/src/aurelia-slickgrid/editors/singleSelectEditor.ts b/aurelia-slickgrid/src/aurelia-slickgrid/editors/singleSelectEditor.ts
index 927de4df2..bed47e619 100644
--- a/aurelia-slickgrid/src/aurelia-slickgrid/editors/singleSelectEditor.ts
+++ b/aurelia-slickgrid/src/aurelia-slickgrid/editors/singleSelectEditor.ts
@@ -98,7 +98,7 @@ export class SingleSelectEditor implements Editor {
     }
 
     // user might want to sort the collection
-    if (this.gridOptions.params && this.columnDef.params.collectionSortBy) {
+    if (this.columnDef.params && this.columnDef.params.collectionSortBy) {
       const sortBy = this.columnDef.params.collectionSortBy;
       newCollection = this.collectionService.sortCollection(newCollection, sortBy, this.enableTranslateLabel);
     }
diff --git a/aurelia-slickgrid/src/aurelia-slickgrid/filters/multipleSelectFilter.ts b/aurelia-slickgrid/src/aurelia-slickgrid/filters/multipleSelectFilter.ts
index f7ba25e89..babebcce4 100644
--- a/aurelia-slickgrid/src/aurelia-slickgrid/filters/multipleSelectFilter.ts
+++ b/aurelia-slickgrid/src/aurelia-slickgrid/filters/multipleSelectFilter.ts
@@ -92,7 +92,7 @@ export class MultipleSelectFilter implements Filter {
     }
 
     // user might want to sort the collection
-    if (this.gridOptions.params && this.columnDef.filter.collectionSortBy) {
+    if (this.columnDef.filter && this.columnDef.filter.collectionSortBy) {
       const sortBy = this.columnDef.filter.collectionSortBy;
       newCollection = this.collectionService.sortCollection(newCollection, sortBy, this.enableTranslateLabel);
     }
diff --git a/aurelia-slickgrid/src/aurelia-slickgrid/filters/singleSelectFilter.ts b/aurelia-slickgrid/src/aurelia-slickgrid/filters/singleSelectFilter.ts
index 453bd3538..88d66a907 100644
--- a/aurelia-slickgrid/src/aurelia-slickgrid/filters/singleSelectFilter.ts
+++ b/aurelia-slickgrid/src/aurelia-slickgrid/filters/singleSelectFilter.ts
@@ -84,7 +84,7 @@ export class SingleSelectFilter implements Filter {
     }
 
     // user might want to sort the collection
-    if (this.gridOptions.params && this.columnDef.filter.collectionSortBy) {
+    if (this.columnDef.filter && this.columnDef.filter.collectionSortBy) {
       const sortBy = this.columnDef.filter.collectionSortBy;
       newCollection = this.collectionService.sortCollection(newCollection, sortBy, this.enableTranslateLabel);
     }
diff --git a/aurelia-slickgrid/src/examples/slickgrid/example12.ts b/aurelia-slickgrid/src/examples/slickgrid/example12.ts
index 2ba043e7b..9b95216c8 100644
--- a/aurelia-slickgrid/src/examples/slickgrid/example12.ts
+++ b/aurelia-slickgrid/src/examples/slickgrid/example12.ts
@@ -79,7 +79,8 @@ export class Example12 {
         filter: {
           collection: [{ value: '', label: '' }, { value: 'TRUE', labelKey: 'TRUE' }, { value: 'FALSE', labelKey: 'FALSE' }],
           collectionSortBy: {
-            property: 'labelKey' // will sort by translated value since "enableTranslateLabel" is true
+            property: 'labelKey', // will sort by translated value since "enableTranslateLabel" is true
+            sortDesc: true
           },
           type: FilterType.singleSelect,
           enableTranslateLabel: true,
diff --git a/aurelia-slickgrid/src/examples/slickgrid/example3.ts b/aurelia-slickgrid/src/examples/slickgrid/example3.ts
index d910f5185..4a569f6b6 100644
--- a/aurelia-slickgrid/src/examples/slickgrid/example3.ts
+++ b/aurelia-slickgrid/src/examples/slickgrid/example3.ts
@@ -163,7 +163,7 @@ export class Example3 {
       type: FieldType.string,
       editor: Editors.multipleSelect,
       params: {
-        collection: Array.from(Array(10).keys()).map(k => ({ value: `Task ${k}`, label: `Task ${k}` })),
+        collection: Array.from(Array(12).keys()).map(k => ({ value: `Task ${k}`, label: `Task ${k}` })),
         collectionSortBy: {
           property: 'label',
           sortDesc: true
@@ -217,7 +217,7 @@ export class Example3 {
         start: new Date(randomYear, randomMonth, randomDay),
         finish: new Date(randomYear, (randomMonth + 1), randomDay),
         effortDriven: (i % 5 === 0),
-        prerequisites: (i % 5 === 0) && i > 0 ? [`Task ${i}`, `Task ${i - 1}`] : []
+        prerequisites: (i % 2 === 0) && i !== 0 && i < 12 ? [`Task ${i}`, `Task ${i - 1}`] : []
       };
     }
     this.dataset = mockedDataset;
diff --git a/aurelia-slickgrid/src/examples/slickgrid/example4.ts b/aurelia-slickgrid/src/examples/slickgrid/example4.ts
index 202621a0d..4473e46f0 100644
--- a/aurelia-slickgrid/src/examples/slickgrid/example4.ts
+++ b/aurelia-slickgrid/src/examples/slickgrid/example4.ts
@@ -81,6 +81,11 @@ export class Example4 {
         filterable: true,
         filter: {
           collection: multiSelectFilterArray,
+          collectionSortBy: {
+            property: 'value',
+            sortDesc: true,
+            fieldType: FieldType.number
+          },
           type: FilterType.multipleSelect,
           searchTerms: [1, 33, 50], // default selection
           // we could add certain option(s) to the "multiple-select" plugin