diff --git a/README.md b/README.md
index d433e69..15d8695 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ On Ubuntu/debian/any debian-based distro:
 
 
 ```
-sudo apt-get install libopus-dev libssl-dev build-essential php7.4-dev php7.4-cli && git clone https://github.com/copernicamarketingsoftware/PHP-CPP && cd PHP-CPP && make -j$(nproc) && sudo make install && cd .. && git clone --recursive https://github.com/danog/php-libtgvoip && cd php-libtgvoip && make && sudo make install
+sudo apt-get install libopus-dev libssl-dev build-essential php7.4-dev php7.4-cli && git clone https://github.com/copernicamarketingsoftware/PHP-CPP && cd PHP-CPP && sed 's/php-config/php-config7.4/g' -i Makefile && make -j$(nproc) && sudo make install && cd .. && git clone --recursive https://github.com/danog/php-libtgvoip && cd php-libtgvoip && make && sudo make install
 ```
 
 ## Documentation