diff --git a/install.sh b/install.sh
index 8ce3a17..efbedc0 100755
--- a/install.sh
+++ b/install.sh
@@ -150,11 +150,11 @@ else
 
   # rm -rf "${THEME_SRC_DIR}/sass/_gtk-base-temp.scss"
 
-  if (is_my_distro "arch" || is_my_distro "void") && has_command xfce4-session; then
-    msg="XFCE: you may need to logout after changing your theme to fix your panel opacity."
-  elif (is_my_distro "solus") && has_command gnome-shell; then
+  if (is_running "xfce4-session"); then
+    msg="XFCE: you may need to run 'xfce4-panel -r' after changing your theme to fix your panel opacity."
+  elif (is_my_distro "solus") && (is_running "gnome-session"); then
     msg="GNOME: you may need to disable 'User Themes' extension to fix your dock."
-  elif (is_my_distro "debian") && [[ "${GNOME_VERSION}" == "old" ]]; then
+  elif (is_running "gnome-session") && [[ "${GNOME_VERSION}" == "old" ]]; then
     msg="GNOME: you may need to disable 'User Themes' extension to fix your logout and authentication dialog."
   fi
 
diff --git a/lib-core.sh b/lib-core.sh
index b29c749..3ab08aa 100755
--- a/lib-core.sh
+++ b/lib-core.sh
@@ -175,6 +175,10 @@ is_my_distro() {
   [[ "$(cat '/etc/os-release' | awk -F '=' '/ID/{print $2}')" =~ "${1}" ]]
 }
 
+is_running() {
+  pgrep "$1" &> /dev/null
+}
+
 ###############################################################################
 #                              CORE UTILITIES                                 #
 ###############################################################################