diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index 27a839e..980ad42 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -838,15 +838,15 @@ USER root
 ARG INSTALL_YAML=false
 
 RUN if [ ${INSTALL_YAML} = true ]; then \
-    apt-get install libyaml-dev -y ; \
-    if [ $(php -r "echo PHP_MAJOR_VERSION;") = "5" ]; then \
+    apt-get install -yqq libyaml-dev \
+    && if [ $(php -r "echo PHP_MAJOR_VERSION;") = "5" ]; then \
         echo '' | pecl install -a yaml-1.3.2; \
     elif [ $(php -r "echo PHP_MAJOR_VERSION;") = "7" ] && [ $(php -r "echo PHP_MINOR_VERSION;") = "0" ]; then \
         echo '' | pecl install yaml-2.0.4; \
     else \
         echo '' | pecl install yaml; \
     fi \
-    && docker-php-ext-enable yaml; \
+    && docker-php-ext-enable yaml \
 ;fi
 
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