diff --git a/lib-install.sh b/lib-install.sh
index 58f0526d..b926a5e5 100755
--- a/lib-install.sh
+++ b/lib-install.sh
@@ -368,10 +368,14 @@ install_themes() {
         install_xfwmy "${color}"
 
         for color in "${colors[@]}"; do
-          gtk_base & install_theemy "${color}" "${opacity}" "${alt}" "${theme}" "${icon}" &
+          gtk_base "${color}" "${opacity}" "${theme}" &
+          process_ids+=("${!}") &
+          install_theemy "${color}" "${opacity}" "${alt}" "${theme}" "${icon}" &
           process_ids+=("${!}")
 
-          gtk_base & install_shelly "${color}" "${opacity}" "${alt}" "${theme}" "${icon}" &
+          gtk_base "${color}" "${opacity}" "${theme}" &
+          process_ids+=("${!}") &
+          install_shelly "${color}" "${opacity}" "${alt}" "${theme}" "${icon}" &
           process_ids+=("${!}")
         done
       done