diff --git a/src/plugins/debugger/debuggerkitinformation.cpp b/src/plugins/debugger/debuggerkitinformation.cpp
index bc37572a3d3..9f723d70c30 100644
--- a/src/plugins/debugger/debuggerkitinformation.cpp
+++ b/src/plugins/debugger/debuggerkitinformation.cpp
@@ -114,7 +114,7 @@ void DebuggerKitInformation::setup(Kit *k)
             // This improves the situation a bit if a cross-compilation tool chain has the
             // same ABI as the host.
             if (level == DebuggerItem::MatchesPerfectly
-                    && systemEnvironment.path().contains(item.command().parentDir().toString())) {
+                    && systemEnvironment.path().contains(item.command().parentDir())) {
                 level = DebuggerItem::MatchesPerfectlyInPath;
             }
         } else if (rawId.type() == QVariant::String) {
diff --git a/src/plugins/qmakeprojectmanager/qmakekitinformation.cpp b/src/plugins/qmakeprojectmanager/qmakekitinformation.cpp
index 07455b9bcad..94f3efcbe78 100644
--- a/src/plugins/qmakeprojectmanager/qmakekitinformation.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakekitinformation.cpp
@@ -104,7 +104,7 @@ void QmakeKitInformation::setup(Kit *k)
             const Environment systemEnvironment = Environment::systemEnvironment();
             ToolChain *bestTc = Utils::findOrDefault(goodTcs,
                                                      [&systemEnvironment](const ToolChain *t) {
-                return systemEnvironment.path().contains(t->compilerCommand().parentDir().toString());
+                return systemEnvironment.path().contains(t->compilerCommand().parentDir());
             });
             if (!bestTc) {
                 bestTc = goodTcs.isEmpty() ? possibleTcs.last() : goodTcs.last();