diff --git a/runners/bookmarks/browsers/firefox.cpp b/runners/bookmarks/browsers/firefox.cpp
--- a/runners/bookmarks/browsers/firefox.cpp
+++ b/runners/bookmarks/browsers/firefox.cpp
@@ -24,6 +24,7 @@
 #include "bookmarksrunner_defs.h"
 #include <QFile>
 #include <QDir>
+#include <QRegularExpression>
 #include <KConfigGroup>
 #include <KSharedConfig>
 #include "bookmarkmatch.h"
@@ -41,7 +42,6 @@
   //qDebug() << "Loading Firefox Bookmarks Browser";
 }
 
-
 Firefox::~Firefox()
 {
     if (!m_dbCacheFile.isEmpty()) {
@@ -161,56 +161,43 @@
     }
 }
 
-
-
 void Firefox::reloadConfiguration()
 {
-    KConfigGroup config(KSharedConfig::openConfig(QStringLiteral("kdeglobals")), QStringLiteral("General") );
-    if (QSqlDatabase::isDriverAvailable(QStringLiteral("QSQLITE"))) {
-        KConfigGroup grp = config;
-        /* This allows the user to specify a profile database */
-        m_dbFile = grp.readEntry<QString>("dbfile", QLatin1String(""));
-        if (m_dbFile.isEmpty() || !QFile::exists(m_dbFile)) {
-            //Try to get the right database file, the default profile is used
-            KConfig firefoxProfile(QDir::homePath() + "/.mozilla/firefox/profiles.ini",
-                                   KConfig::SimpleConfig);
-            QStringList profilesList = firefoxProfile.groupList();
-            profilesList = profilesList.filter(QRegExp(QStringLiteral("^Profile\\d+$")));
-            int size = profilesList.size();
-
-            QString profilePath;
-            if (size == 1) {
-                // There is only 1 profile so we select it
-                KConfigGroup fGrp = firefoxProfile.group(profilesList.first());
-                profilePath = fGrp.readEntry("Path", "");
-            } else {
-                // There are multiple profiles, find the default one
-                foreach(const QString & profileName, profilesList) {
-                    KConfigGroup fGrp = firefoxProfile.group(profileName);
-                    if (fGrp.readEntry<int>("Default", 0)) {
-                        profilePath = fGrp.readEntry("Path", "");
-                        break;
-                    }
-                }
-            }
+    if (!QSqlDatabase::isDriverAvailable(QStringLiteral("QSQLITE"))) {
+        return;
+    }
 
-            if (profilePath.isEmpty()) {
-                //qDebug() << "No default firefox profile found";
-                return;
-            }
-	    //qDebug() << "Profile " << profilePath << " found";
-            profilePath.prepend(QStringLiteral("%1/.mozilla/firefox/").arg(QDir::homePath()));
-            m_dbFile = profilePath + "/places.sqlite";
-            grp.writeEntry("dbfile", m_dbFile);
-            m_dbFile_fav = profilePath + "/favicons.sqlite";
+    // Try to get the right database file, the default profile is used
+    KConfig firefoxProfile(QDir::homePath() + "/.mozilla/firefox/profiles.ini", KConfig::SimpleConfig);
+    QStringList profilesList = firefoxProfile.groupList();
+    profilesList = profilesList.filter(QRegularExpression(QStringLiteral("^Profile\\d+$")));
+    const int size = profilesList.size();
+
+    QString profilePath;
+    if (size == 1) {
+        // There is only 1 profile so we select it
+        KConfigGroup fGrp = firefoxProfile.group(profilesList.first());
+        profilePath = fGrp.readEntry("Path");
+    } else {
+        // When profiles get edited the default profile might be in the Install.* group
+        const QStringList installConfig = firefoxProfile.groupList().filter(QRegularExpression("Install.*"));
+        if (installConfig.size() == 1) {
+            profilePath = firefoxProfile.group(installConfig.first()).readEntry("Default");
         } else {
-            auto dir = QDir(m_dbFile);
-            if (dir.cdUp()) {
-                QString profilePath = dir.absolutePath();
-                m_dbFile_fav = profilePath + "/favicons.sqlite";
+            // Check the other entries individually
+            for (const QString &profileName: qAsConst(profilesList)) {
+                KConfigGroup fGrp = firefoxProfile.group(profileName);
+                if (fGrp.readEntry<int>("Default", 0)) {
+                    profilePath = fGrp.readEntry("Path");
+                    break;
+                }
             }
         }
-    } else {
-        //qDebug() << "SQLITE driver isn't available";
+    }
+
+    if (!profilePath.isEmpty()) {
+        profilePath.prepend(QStringLiteral("%1/.mozilla/firefox/").arg(QDir::homePath()));
+        m_dbFile = profilePath + "/places.sqlite";
+        m_dbFile_fav = profilePath + "/favicons.sqlite";
     }
 }