diff --git a/src/filewidgets/kdiroperator.cpp b/src/filewidgets/kdiroperator.cpp
--- a/src/filewidgets/kdiroperator.cpp
+++ b/src/filewidgets/kdiroperator.cpp
@@ -1235,7 +1235,8 @@
 
 void KDirOperator::cdUp()
 {
-    QUrl tmp(d->currUrl);
+    // Allow /d/c// to go up to /d/ instead of /d/c/
+    QUrl tmp(d->currUrl.adjusted(QUrl::NormalizePathSegments));
     setUrl(tmp.resolved(QUrl(QStringLiteral(".."))), true);
 }