diff --git a/scripts/auto-install.sh b/scripts/auto-install.sh
index bf97395..b11d778 100755
--- a/scripts/auto-install.sh
+++ b/scripts/auto-install.sh
@@ -1,3 +1,5 @@
+#! /bin/bash
+
 sysThemeNames=("'Pop'" "'Pop-dark'" "'Pop-light'" "'Yaru'" "'Yaru-dark'" "'Yaru-light'" "'Adwaita-maia'" "'Adwaita-maia-dark'")
 themeNames=("pop" "pop" "pop" "yaru" "yaru" "yaru" "maia" "maia")
 
@@ -34,4 +36,4 @@ done
 
 if [ $foldersFoundCount = 0 ];then
     echo No firefox folder found ;
-    fi
\ No newline at end of file
+    fi
diff --git a/scripts/install-by-curl.sh b/scripts/install-by-curl.sh
index 4a0a7b8..4db17de 100755
--- a/scripts/install-by-curl.sh
+++ b/scripts/install-by-curl.sh
@@ -1,3 +1,5 @@
+#! /bin/bash
+
 VERSION=$(curl -s "https://github.com/rafaelmardojai/firefox-gnome-theme/releases/latest/download" 2>&1 | sed "s/^.*download\/\([^\"]*\).*/\1/")
 FILENAME=firefox-gnome-theme-$VERSION.tar.gz
 FOLDERPATH=$PWD/firefox-gnome-theme
@@ -17,4 +19,4 @@ chmod +x scripts/auto-install.sh
 
 ./auto-install.sh
 
-if [ -d "$FOLDERPATH" ]; then rm -Rf $FOLDERPATH; fi
\ No newline at end of file
+if [ -d "$FOLDERPATH" ]; then rm -Rf $FOLDERPATH; fi