diff --git a/firefox.sh.in b/firefox.sh.in
index 2a0dfc9..385a05c 100644
--- a/firefox.sh.in
+++ b/firefox.sh.in
@@ -170,7 +170,7 @@ MOZILLA_DOWN=0
 if ! [ $MOZ_DISABLE_LANGPACKS ] || [ $MOZ_DISABLE_LANGPACKS -eq 0 ]; then
     if [ -x $MOZ_DIST_BIN/$MOZ_FIREFOX_FILE ]; then
         # Is firefox running?
-        $MOZ_DIST_BIN/$MOZ_FIREFOX_FILE -remote 'ping()' > /dev/null 2>&1
+        /usr/bin/pidof firefox > /dev/null 2>&1
         MOZILLA_DOWN=$?
     fi
 fi
diff --git a/firefox.spec b/firefox.spec
index 819279c..b2ab89c 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -107,7 +107,7 @@
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
 Version:        39.0
-Release:        7%{?pre_tag}%{?dist}
+Release:        8%{?pre_tag}%{?dist}
 URL:            http://www.mozilla.org/projects/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -815,7 +815,7 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Mon Jul 06 2015 Martin Stransky <stransky@redhat.com> - 39.0-7
+* Mon Jul 06 2015 Martin Stransky <stransky@redhat.com> - 39.0-8
 - Added a fix for rhbz#1240259 - Firefox 39 does not open
   home page but "restore session"