diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index c33b1971..a78a76c1 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -80,7 +80,7 @@ ENV PHP_MEMORY_LIMIT 512M
 ENV PHP_UPLOAD_LIMIT 512M
 RUN { \
         echo 'opcache.enable=1'; \
-        echo 'opcache.interned_strings_buffer=16'; \
+        echo 'opcache.interned_strings_buffer=32'; \
         echo 'opcache.max_accelerated_files=10000'; \
         echo 'opcache.memory_consumption=128'; \
         echo 'opcache.save_comments=1'; \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 5427e2c2..f553dc84 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -94,7 +94,7 @@ RUN set -ex; \
 # see https://docs.nextcloud.com/server/latest/admin_manual/installation/server_tuning.html#enable-php-opcache
 RUN { \
         echo 'opcache.enable=1'; \
-        echo 'opcache.interned_strings_buffer=16'; \
+        echo 'opcache.interned_strings_buffer=32'; \
         echo 'opcache.max_accelerated_files=10000'; \
         echo 'opcache.memory_consumption=128'; \
         echo 'opcache.save_comments=1'; \