diff --git a/src/ProcessInfo.h b/src/ProcessInfo.h
--- a/src/ProcessInfo.h
+++ b/src/ProcessInfo.h
@@ -77,10 +77,8 @@
      * the current platform which provides information about a given process.
      *
      * @param pid The pid of the process to examine
-     * @param titleFormat The local title format - used to determine if it
-     *  contains %u which requires expensive prodecures to be used.
      */
-    static ProcessInfo *newInstance(int pid, const QString &titleFormat);
+    static ProcessInfo *newInstance(int pid);
 
     virtual ~ProcessInfo()
     {
@@ -305,7 +303,7 @@
      * Constructs a new NullProcessInfo instance.
      * See ProcessInfo::newInstance()
      */
-    explicit NullProcessInfo(int pid, const QString &titleFormat);
+    explicit NullProcessInfo(int pid);
 protected:
     void readProcessInfo(int pid) Q_DECL_OVERRIDE;
     bool readCurrentDir(int pid) Q_DECL_OVERRIDE;
@@ -324,7 +322,7 @@
      * Constructs a new instance of UnixProcessInfo.
      * See ProcessInfo::newInstance()
      */
-    explicit UnixProcessInfo(int pid, const QString &titleFormat);
+    explicit UnixProcessInfo(int pid);
 
 protected:
     /**
diff --git a/src/ProcessInfo.cpp b/src/ProcessInfo.cpp
--- a/src/ProcessInfo.cpp
+++ b/src/ProcessInfo.cpp
@@ -113,7 +113,7 @@
     int currentPid = parentPid(&ok);
     QString dir = currentDir(&ok);
     while (!ok && currentPid != 0) {
-        ProcessInfo *current = ProcessInfo::newInstance(currentPid, QString());
+        ProcessInfo *current = ProcessInfo::newInstance(currentPid);
         current->update();
         currentPid = current->parentPid(&ok);
         dir = current->currentDir(&ok);
@@ -331,7 +331,7 @@
 // implementations of the UnixProcessInfo abstract class.
 //
 
-NullProcessInfo::NullProcessInfo(int pid, const QString & /*titleFormat*/) :
+NullProcessInfo::NullProcessInfo(int pid) :
     ProcessInfo(pid)
 {
 }
@@ -350,10 +350,10 @@
 }
 
 #if !defined(Q_OS_WIN)
-UnixProcessInfo::UnixProcessInfo(int pid, const QString &titleFormat) :
+UnixProcessInfo::UnixProcessInfo(int pid) :
     ProcessInfo(pid)
 {
-    setUserNameRequired(titleFormat.contains(QLatin1String("%u")));
+    setUserNameRequired(true);
 }
 
 void UnixProcessInfo::readProcessInfo(int pid)
@@ -419,8 +419,8 @@
 class LinuxProcessInfo : public UnixProcessInfo
 {
 public:
-    LinuxProcessInfo(int pid, const QString &titleFormat) :
-        UnixProcessInfo(pid, titleFormat)
+    LinuxProcessInfo(int pid) :
+        UnixProcessInfo(pid)
     {
     }
 
@@ -490,6 +490,7 @@
             // This will cause constant opening of /etc/passwd
             if (userNameRequired()) {
                 readUserName();
+                setUserNameRequired(false);
             }
         } else {
             setFileError(statusInfo.error());
@@ -595,8 +596,8 @@
 class FreeBSDProcessInfo : public UnixProcessInfo
 {
 public:
-    FreeBSDProcessInfo(int pid, const QString &titleFormat) :
-        UnixProcessInfo(pid, titleFormat)
+    FreeBSDProcessInfo(int pid) :
+        UnixProcessInfo(pid)
     {
     }
 
@@ -720,8 +721,8 @@
 class OpenBSDProcessInfo : public UnixProcessInfo
 {
 public:
-    OpenBSDProcessInfo(int pid, const QString &titleFormat) :
-        UnixProcessInfo(pid, titleFormat)
+    OpenBSDProcessInfo(int pid) :
+        UnixProcessInfo(pid)
     {
     }
 
@@ -838,8 +839,8 @@
 class MacProcessInfo : public UnixProcessInfo
 {
 public:
-    MacProcessInfo(int pid, const QString &titleFormat) :
-        UnixProcessInfo(pid, titleFormat)
+    MacProcessInfo(int pid) :
+        UnixProcessInfo(pid)
     {
     }
 
@@ -939,8 +940,8 @@
 class SolarisProcessInfo : public UnixProcessInfo
 {
 public:
-    SolarisProcessInfo(int pid, const QString &titleFormat) :
-        UnixProcessInfo(pid, titleFormat)
+    SolarisProcessInfo(int pid) :
+        UnixProcessInfo(pid)
     {
     }
 
@@ -1170,21 +1171,21 @@
     return output;
 }
 
-ProcessInfo *ProcessInfo::newInstance(int pid, const QString &titleFormat)
+ProcessInfo *ProcessInfo::newInstance(int pid)
 {
     ProcessInfo *info;
 #if defined(Q_OS_LINUX)
-    info = new LinuxProcessInfo(pid, titleFormat);
+    info = new LinuxProcessInfo(pid);
 #elif defined(Q_OS_SOLARIS)
-    info = new SolarisProcessInfo(pid, titleFormat);
+    info = new SolarisProcessInfo(pid);
 #elif defined(Q_OS_MACOS)
-    info = new MacProcessInfo(pid, titleFormat);
+    info = new MacProcessInfo(pid);
 #elif defined(Q_OS_FREEBSD)
-    info = new FreeBSDProcessInfo(pid, titleFormat);
+    info = new FreeBSDProcessInfo(pid);
 #elif defined(Q_OS_OPENBSD)
-    info = new OpenBSDProcessInfo(pid, titleFormat);
+    info = new OpenBSDProcessInfo(pid);
 #else
-    info = new NullProcessInfo(pid, titleFormat);
+    info = new NullProcessInfo(pid);
 #endif
     info->readProcessInfo(pid);
     return info;
diff --git a/src/Session.cpp b/src/Session.cpp
--- a/src/Session.cpp
+++ b/src/Session.cpp
@@ -1062,8 +1062,7 @@
     if ((_sessionProcessInfo == nullptr) ||
             (processId() != 0 && processId() != _sessionProcessInfo->pid(&ok))) {
         delete _sessionProcessInfo;
-        _sessionProcessInfo = ProcessInfo::newInstance(processId(),
-                    tabTitleFormat(Session::LocalTabTitle));
+        _sessionProcessInfo = ProcessInfo::newInstance(processId());
         _sessionProcessInfo->setUserHomeDir();
     }
     _sessionProcessInfo->update();
@@ -1076,8 +1075,7 @@
     const int foregroundPid = _shellProcess->foregroundProcessGroup();
     if (foregroundPid != _foregroundPid) {
         delete _foregroundProcessInfo;
-        _foregroundProcessInfo = ProcessInfo::newInstance(foregroundPid,
-                    tabTitleFormat(Session::LocalTabTitle));
+        _foregroundProcessInfo = ProcessInfo::newInstance(foregroundPid);
         _foregroundPid = foregroundPid;
     }
 
@@ -1134,28 +1132,29 @@
     title.replace(QLatin1String("%n"), process->name(&ok));
 
     QString dir = _reportedWorkingUrl.toLocalFile();
+    ok = true;
     if (dir.isEmpty()) {
         // update current directory from process
         updateWorkingDirectory();
-        dir = process->validCurrentDir();
+        dir = process->currentDir(&ok);
     }
-
-    if (title.contains(QLatin1String("%D"))) {
-        const QString homeDir = process->userHomeDir();
-        if (!homeDir.isEmpty()) {
-            QString tempDir = dir;
-            // Change User's Home Dir w/ ~ only at the beginning
-            if (tempDir.startsWith(homeDir)) {
-                tempDir.remove(0, homeDir.length());
-                tempDir.prepend(QLatin1Char('~'));
+    if(!ok) {
+        title.replace(QLatin1String("%d"), QStringLiteral("-"));
+        title.replace(QLatin1String("%D"), QStringLiteral("-"));
+    } else {
+        if (title.contains(QLatin1String("%D"))) {
+            const QString homeDir = process->userHomeDir();
+            if (!homeDir.isEmpty()) {
+                // Change User's Home Dir w/ ~ only at the beginning
+                if (dir.startsWith(homeDir)) {
+                    dir.remove(0, homeDir.length());
+                    dir.prepend(QLatin1Char('~'));
+                }
             }
-            title.replace(QLatin1String("%D"), tempDir);
-        } else {
-            // Example: 'sudo top'  We have to replace %D with something
-            title.replace(QLatin1String("%D"), QStringLiteral("-"));
+            title.replace(QLatin1String("%D"), dir);
         }
+        title.replace(QLatin1String("%d"), process->formatShortDir(dir));
     }
-    title.replace(QLatin1String("%d"), process->formatShortDir(dir));
 
     return title;
 }