diff --git a/src/components/SlideViewer.tsx b/src/components/SlideViewer.tsx
index c32b992a..989a9aa1 100644
--- a/src/components/SlideViewer.tsx
+++ b/src/components/SlideViewer.tsx
@@ -445,7 +445,7 @@ class SlideViewer extends React.Component<SlideViewerProps, SlideViewerState> {
 
   private roiStyles: {[key: string]: dmv.viewer.ROIStyleOptions} = {}
 
-  private readonly selectionColor: number[] = [140, 184, 198] 
+  private readonly selectionColor: number[] = [140, 184, 198]
 
   private readonly selectedRoiStyle: dmv.viewer.ROIStyleOptions = {
     stroke: { color: [...this.selectionColor, 1], width: 3 },
@@ -1443,7 +1443,7 @@ class SlideViewer extends React.Component<SlideViewerProps, SlideViewerState> {
       })
       this.setState({
         selectedRoiUIDs: new Set([selectedRoi.uid]),
-        selectedRoi: selectedRoi,
+        selectedRoi: selectedRoi
       })
     } else {
       this.setState({
@@ -1455,7 +1455,7 @@ class SlideViewer extends React.Component<SlideViewerProps, SlideViewerState> {
 
   handleRoiSelectionCancellation (): void {
     this.setState({
-      isSelectedRoiModalVisible: false,
+      isSelectedRoiModalVisible: false
     })
   }