diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 4553997a6..88d8144ff 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -89,7 +89,7 @@ RUN { \
         echo 'opcache.save_comments=1'; \
         echo 'opcache.revalidate_freq=60'; \
         echo 'opcache.jit=1255'; \
-        echo 'opcache.jit_buffer_size=128M'; \
+        echo 'opcache.jit_buffer_size=8M'; \
     } > "${PHP_INI_DIR}/conf.d/opcache-recommended.ini"; \
     \
     echo 'apc.enable_cli=1' >> "${PHP_INI_DIR}/conf.d/docker-php-ext-apcu.ini"; \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 8b66dd34a..744e96639 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -101,7 +101,7 @@ RUN { \
         echo 'opcache.save_comments=1'; \
         echo 'opcache.revalidate_freq=60'; \
         echo 'opcache.jit=1255'; \
-        echo 'opcache.jit_buffer_size=128M'; \
+        echo 'opcache.jit_buffer_size=8M'; \
     } > "${PHP_INI_DIR}/conf.d/opcache-recommended.ini"; \
     \
     echo 'apc.enable_cli=1' >> "${PHP_INI_DIR}/conf.d/docker-php-ext-apcu.ini"; \