diff --git a/10.0/apache/Dockerfile b/10.0/apache/Dockerfile
index 570aef6..d8b1597 100644
--- a/10.0/apache/Dockerfile
+++ b/10.0/apache/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysql opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/10.0/fpm/Dockerfile b/10.0/fpm/Dockerfile
index b60b57f..b160a46 100644
--- a/10.0/fpm/Dockerfile
+++ b/10.0/fpm/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysql opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/11.0/apache/Dockerfile b/11.0/apache/Dockerfile
index 71978ad..d4c0ff5 100644
--- a/11.0/apache/Dockerfile
+++ b/11.0/apache/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/11.0/fpm/Dockerfile b/11.0/fpm/Dockerfile
index 78890a3..9aa10e0 100644
--- a/11.0/fpm/Dockerfile
+++ b/11.0/fpm/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/12.0/apache/Dockerfile b/12.0/apache/Dockerfile
index 4bcc5f0..1b05272 100644
--- a/12.0/apache/Dockerfile
+++ b/12.0/apache/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/12.0/fpm/Dockerfile b/12.0/fpm/Dockerfile
index d69e770..41b7365 100644
--- a/12.0/fpm/Dockerfile
+++ b/12.0/fpm/Dockerfile
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/Dockerfile-php7.template b/Dockerfile-php7.template
index 203ba66..ef49df7 100644
--- a/Dockerfile-php7.template
+++ b/Dockerfile-php7.template
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysqli opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings
diff --git a/Dockerfile.template b/Dockerfile.template
index 14cf362..581e912 100644
--- a/Dockerfile.template
+++ b/Dockerfile.template
@@ -16,8 +16,9 @@ RUN apt-get update && apt-get install -y \
   && rm -rf /var/lib/apt/lists/*
 
 # https://docs.nextcloud.com/server/9/admin_manual/installation/source_installation.html
-RUN docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
-  && docker-php-ext-configure ldap --with-libdir=lib/x86_64-linux-gnu \
+RUN debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)" \
+  && docker-php-ext-configure gd --with-png-dir=/usr --with-jpeg-dir=/usr \
+  && docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch" \
   && docker-php-ext-install gd exif intl mbstring mcrypt ldap mysql opcache pdo_mysql pdo_pgsql pgsql zip
 
 # set recommended PHP.ini settings