diff --git a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_globalstyle.css b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_globalstyle.css
index 81898ffd2a2..981dd1c3691 100644
--- a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_globalstyle.css
+++ b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_globalstyle.css
@@ -142,9 +142,14 @@ CompareViewerPane > * {
     color: '#org-eclipse-ui-workbench-DARK_FOREGROUND'; 
 }
 
-ProgressIndicator {
-    background-color: #777;
-    color: '#org-eclipse-ui-workbench-DARK_FOREGROUND'; 
+/* Element selectors match the exact widget class name, so the bars inside a
+ * ProgressIndicator need the child selector. Inside a part the bar is styled by
+ * the '.MPart' copies in e4-dark_partstyle.css. */
+ProgressIndicator,
+ProgressIndicator > *,
+ProgressBar {
+    background-color: #5A5F62;
+    color: '#org-eclipse-ui-workbench-LINK_COLOR';
 }
 
 DiscoveryItem,
diff --git a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_partstyle.css b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_partstyle.css
index 946ac02a565..b1cbacfc890 100644
--- a/bundles/org.eclipse.ui.themes/css/dark/e4-dark_partstyle.css
+++ b/bundles/org.eclipse.ui.themes/css/dark/e4-dark_partstyle.css
@@ -60,6 +60,15 @@
 }
 
 
+/* Ties '.MPart Composite > * > *' above on specificity, so it has to sit after
+ * it. Keep in step with the ProgressBar rule in e4-dark_globalstyle.css. */
+.MPart ProgressIndicator,
+.MPart ProgressIndicator > *,
+.MPart ProgressBar {
+    background-color: #5A5F62;
+    color: '#org-eclipse-ui-workbench-LINK_COLOR';
+}
+
 .MPart Section > Label {
     background-color: #2F2F2F;
     color: #ABCEDA;