diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index afd24a43..02725b94 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -48,6 +48,7 @@ ARG INSTALL_SOAP=false
 
 RUN if [ ${INSTALL_SOAP} = true ]; then \
     # Install the soap extension
+    rm /etc/apt/preferences.d/no-debian-php && \
     apt-get update -yqq && \
     apt-get -y install libxml2-dev php-soap && \
     docker-php-ext-install soap \