diff --git a/INSTALL.sh b/INSTALL.sh
index cee6bd4b..916c1aa2 100755
--- a/INSTALL.sh
+++ b/INSTALL.sh
@@ -206,6 +206,9 @@ sed -i "/EXTENSION_DIR       =   /c\
 sed -i "/INI_DIR     =   /c\
          INI_DIR     =   /dev/null" "$DIR_PHP_GTK_SOURCE/Makefile"
 
+## Use local builds
+sed -i "s|-lphpcpp|-Wl,-rpath=\"$DIR_PHP_CPP_TARGET/lib\" -lphpcpp|g" "$DIR_PHP_GTK_SOURCE/Makefile"
+
 ## Force build for new installation
 if [ ! -f "$("$DIR_PHP_SRC_TARGET/bin/php-config" --extension-dir)/php-gtk3.so" ]; then BUILD_PHP_GTK="y"
 else # or ask for re-build