diff --git a/src/plugins/qt4projectmanager/qt-s60/gccetoolchain.cpp b/src/plugins/qt4projectmanager/qt-s60/gccetoolchain.cpp
index 1eb0cec163f5a6e7869d4b98ce6c8efcbbcce3f1..bad030375dbfd4ffc5043ab2d53f66d8e79d5da5 100644
--- a/src/plugins/qt4projectmanager/qt-s60/gccetoolchain.cpp
+++ b/src/plugins/qt4projectmanager/qt-s60/gccetoolchain.cpp
@@ -117,8 +117,7 @@ void GcceToolChain::addToEnvironment(Utils::Environment &env) const
     env.set(QLatin1String("QT_GCCE_VERSION"), m_gcceVersion);
     QString version = m_gcceVersion;
     env.set(QString::fromLatin1("SBS_GCCE") + version.remove(QLatin1Char('.'))
-            + QLatin1String("BIN"),
-            compilerCommand().toUserOutput());
+            + QLatin1String("BIN"), QDir::toNativeSeparators(compilerCommand().toFileInfo().absolutePath()));
     // Required for SBS, which checks the version output from its tools
     // and gets confused by localized output.
     env.set(QLatin1String("LANG"), QString(QLatin1Char('C')));
diff --git a/src/plugins/qt4projectmanager/qt-s60/rvcttoolchain.cpp b/src/plugins/qt4projectmanager/qt-s60/rvcttoolchain.cpp
index 225b5845b02daa8f5f7ca6bb0f5943b259aa9e05..ceffa421072b87fa29835e2e948eb3869d68b43a 100644
--- a/src/plugins/qt4projectmanager/qt-s60/rvcttoolchain.cpp
+++ b/src/plugins/qt4projectmanager/qt-s60/rvcttoolchain.cpp
@@ -215,11 +215,12 @@ void RvctToolChain::addToEnvironment(Utils::Environment &env) const
 
     env.set(QLatin1String("QT_RVCT_VERSION"), QString::fromLatin1("%1.%2")
             .arg(m_version.majorVersion).arg(m_version.minorVersion));
-    env.set(varName(QLatin1String("BIN")), m_compilerCommand.toUserOutput());
+    const QString cxxPath = compilerCommand().toFileInfo().absolutePath();
+    env.set(varName(QLatin1String("BIN")), QDir::toNativeSeparators(cxxPath));
 
     // Add rvct to path and set locale to 'C'
     if (!m_compilerCommand.isEmpty())
-        env.prependOrSetPath(m_compilerCommand.toString());
+        env.prependOrSetPath(cxxPath);
     env.set(QLatin1String("LANG"), QString(QLatin1Char('C')));
 }