diff --git a/src/build_theme.sh b/src/build_theme.sh
index 7aafb79..fa445e3 100755
--- a/src/build_theme.sh
+++ b/src/build_theme.sh
@@ -1,50 +1,67 @@
 #!/bin/sh
+# Usage: build_theme.sh [<colorscheme> [<install-target>]]
+# If <colorscheme> is unset or empty, colors from kdeglobals are used
+# If <install-target> is unset or empty, the theme is installed into ~/.local/share/themes/<theme name>
 
 create_folders () {
   for j in gtk-2.0 gtk-3.0 gtk-3.20; do
     if ! [ -d "$1/$j" ]; then
         mkdir -p "$1/$j"
     fi
   done 
 }
 
 build_sass() {
   if command -v sassc >/dev/null 2>&1; then
       sassc "$1" "$2"
   else
       sass --cache-location /tmp/sass-cache "$1" "$2"
   fi
 }
 
+install_theme () {
+  COLOR_SCHEME="$1"
+  INSTALL_TARGET="$2"
+  if [ -z "$INSTALL_TARGET" ]; then
+    INSTALL_TARGET="$HOME/.local/share/themes/$COLOR_SCHEME"
+  fi
+  mkdir -p "$INSTALL_TARGET"
+  for dir in assets gtk-2.0 gtk-3.0 gtk-3.20; do
+    if [ -d "$INSTALL_TARGET/$dir" ]; then
+      rm -rf "${INSTALL_TARGET:?}/$dir"
+    fi
+    mv -f "$COLOR_SCHEME/$dir" "$INSTALL_TARGET"
+  done
+  rmdir "$COLOR_SCHEME"
+}
+
 render_theme () {
   python3 render_assets.py "$1"
   create_folders "$2"
   build_sass gtk318/gtk.scss "$2/gtk-3.0/gtk.css"
   build_sass gtk320/gtk.scss "$2/gtk-3.20/gtk.css"
   mv assets "$2/"
   cp -R gtk2/* "$2/gtk-2.0/"
-  if [ -d "$HOME/.local/share/themes/$2" ]; then
-    rm -rf "$HOME/.local/share/themes/$2";
-  fi
-  mv -f "$2" "$HOME/.local/share/themes/"
+  install_theme "$2" "$3"
 }
 
 COLOR_SCHEME="$1"
+INSTALL_TARGET="$2"
 
 if [ -z "$COLOR_SCHEME" ]; then
   if [ -f "$HOME/.config/kdeglobals" ]; then
-    render_theme "$HOME/.config/kdeglobals" Breeze
+    render_theme "$HOME/.config/kdeglobals" Breeze "$INSTALL_TARGET"
   else
     echo "$HOME/.config/kdeglobals not found, using defaults"
-    render_theme /usr/share/color-schemes/Breeze.colors Breeze
+    render_theme /usr/share/color-schemes/Breeze.colors Breeze "$INSTALL_TARGET"
   fi
 else
   if [ -f "/usr/share/color-schemes/$COLOR_SCHEME.colors" ]; then
-    render_theme "/usr/share/color-schemes/$COLOR_SCHEME.colors" "$COLOR_SCHEME"
+    render_theme "/usr/share/color-schemes/$COLOR_SCHEME.colors" "$COLOR_SCHEME" "$INSTALL_TARGET"
   elif [ -f "$HOME/.local/share/color-schemes/$COLOR_SCHEME.colors" ]; then
-    render_theme "$HOME/.local/share/color-schemes/$COLOR_SCHEME.colors" "$COLOR_SCHEME"
+    render_theme "$HOME/.local/share/color-schemes/$COLOR_SCHEME.colors" "$COLOR_SCHEME" "$INSTALL_TARGET"
   else
     echo "colorscheme $COLOR_SCHEME not found"
   fi
 fi