diff --git a/data_from_portwine/scripts/functions_helper b/data_from_portwine/scripts/functions_helper
index df633ba..5bd901f 100755
--- a/data_from_portwine/scripts/functions_helper
+++ b/data_from_portwine/scripts/functions_helper
@@ -1704,15 +1704,15 @@ edit_user_conf_from_gui () {
 
 pw_create_gui_png () {
     basename_portwine_exe="$(basename "${portwine_exe}")"
-    if echo "$basename_portwine_exe" | grep -i "setup\|install\|.msi" &>/dev/null ; then
+    if echo "$basename_portwine_exe" | grep -ie "setup\|install\|\.msi$" &>/dev/null ; then
         export PW_ICON_FOR_YAD="${PORT_WINE_PATH}/data/img/setup.png"
         export name_desktop_png="setup"
         return 0
-    elif echo "$basename_portwine_exe" | grep -i ".reg" &>/dev/null ; then
+    elif echo "$basename_portwine_exe" | grep -ie "\.reg$" &>/dev/null ; then
         export PW_ICON_FOR_YAD="${PORT_WINE_PATH}/data/img/reg.png"
         export name_desktop_png="reg"
         return 0
-    elif echo "$basename_portwine_exe"| grep -i ".bat" &>/dev/null ; then
+    elif echo "$basename_portwine_exe"| grep -ie "\.bat$" &>/dev/null ; then
         export PW_ICON_FOR_YAD="${PORT_WINE_PATH}/data/img/bat.png"
         export name_desktop_png="bat"
         return 0