diff --git a/pom.xml b/pom.xml
index 48e94c11de..522e440efb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -456,7 +456,7 @@
         <plugin>
           <groupId>sonia.scm.maven</groupId>
           <artifactId>smp-maven-plugin</artifactId>
-          <version>1.0.0-rc3</version>
+          <version>1.0.0-rc4</version>
         </plugin>
 
         <plugin>
@@ -856,8 +856,8 @@
     <guava.version>26.0-jre</guava.version>
 
     <!-- frontend -->
-    <nodejs.version>10.16.0</nodejs.version>
-    <yarn.version>1.16.0</yarn.version>
+    <nodejs.version>12.16.1</nodejs.version>
+    <yarn.version>1.22.0</yarn.version>
 
     <!-- build properties -->
     <project.build.javaLevel>8</project.build.javaLevel>
diff --git a/scm-ui/ui-components/src/comparators.ts b/scm-ui/ui-components/src/comparators.ts
index e4d661c2fd..68ae3d0734 100644
--- a/scm-ui/ui-components/src/comparators.ts
+++ b/scm-ui/ui-components/src/comparators.ts
@@ -15,7 +15,7 @@ export const byKey = (key: string) => {
     }
 
     if (isUndefined(b, key)) {
-      return 0;
+      return -1;
     }
 
     if (a[key] < b[key]) {
@@ -35,7 +35,7 @@ export const byValueLength = (key: string) => {
     }
 
     if (isUndefined(b, key)) {
-      return 0;
+      return -1;
     }
 
     if (a[key].length < b[key].length) {
@@ -55,7 +55,7 @@ export const byNestedKeys = (key: string, nestedKey: string) => {
     }
 
     if (isUndefined(b, key, nestedKey)) {
-      return 0;
+      return -1;
     }
 
     if (a[key][nestedKey] < b[key][nestedKey]) {