diff --git a/src/plugins/cmakeprojectmanager/servermode.cpp b/src/plugins/cmakeprojectmanager/servermode.cpp
index 24d0253354e..0e29fd6d8a1 100644
--- a/src/plugins/cmakeprojectmanager/servermode.cpp
+++ b/src/plugins/cmakeprojectmanager/servermode.cpp
@@ -63,14 +63,6 @@ Q_LOGGING_CATEGORY(cmakeServerMode, "qtc.cmake.serverMode");
 // Helpers:
 // ----------------------------------------------------------------------
 
-QString socketName()
-{
-    QUuid uuid = QUuid::createUuid();
-    if (HostOsInfo::isWindowsHost())
-        return "\\\\.\\pipe\\" + uuid.toString();
-    return Utils::TemporaryDirectory::masterDirectoryPath() + "/cmake-socket-" + uuid.toString();
-}
-
 bool isValid(const QVariant &v)
 {
     if (v.isNull())
@@ -93,6 +85,12 @@ ServerMode::ServerMode(const Environment &env,
                        bool experimental, int major, int minor,
                        QObject *parent) :
     QObject(parent),
+#if defined(Q_OS_UNIX)
+    // Some unixes (e.g. Darwin) limit the length of a local socket to about 100 char (or less).
+    // Since some unixes (e.g. Darwin) also point TMPDIR to /really/long/paths we need to create
+    // our own socket in a place closer to '/'.
+    m_socketDir("/tmp/cmake-"),
+#endif
     m_sourceDirectory(sourceDirectory), m_buildDirectory(buildDirectory),
     m_cmakeExecutable(cmakeExecutable),
     m_generator(generator), m_extraGenerator(extraGenerator),
@@ -109,7 +107,13 @@ ServerMode::ServerMode(const Environment &env,
 
     m_cmakeProcess->setEnvironment(env);
     m_cmakeProcess->setWorkingDirectory(buildDirectory.toString());
-    m_socketName = socketName();
+
+#if defined(Q_OS_UNIX)
+    m_socketName = m_socketDir.path() + "/socket";
+#else
+    m_socketName = QString::fromLatin1("\\\\.\\pipe\\") + QUuid::createUuid().toString();
+#endif
+
     const QStringList args = QStringList({ "-E", "server", "--pipe=" + m_socketName });
 
     connect(m_cmakeProcess.get(), &QtcProcess::started, this, [this]() { m_connectionTimer.start(); });
diff --git a/src/plugins/cmakeprojectmanager/servermode.h b/src/plugins/cmakeprojectmanager/servermode.h
index c397d5a8475..e7b645623ad 100644
--- a/src/plugins/cmakeprojectmanager/servermode.h
+++ b/src/plugins/cmakeprojectmanager/servermode.h
@@ -30,6 +30,7 @@
 #include <QLoggingCategory>
 #include <QTimer>
 #include <QVariantMap>
+#include <QTemporaryDir>
 
 #include <memory>
 
@@ -84,6 +85,9 @@ private:
 
     void reportError(const QString &msg);
 
+#if defined(Q_OS_UNIX)
+    QTemporaryDir m_socketDir;
+#endif
     std::unique_ptr<Utils::QtcProcess> m_cmakeProcess;
     QLocalSocket *m_cmakeSocket = nullptr;
     QTimer m_connectionTimer;
@@ -112,6 +116,7 @@ private:
     const int m_minorProtocol = -1;
 
     int m_requestCounter = 0;
+
 };
 
 } // namespace Internal