diff --git a/docs/installation/installation_docker.md b/docs/installation/installation_docker.md
index b1027611..98fb82d1 100644
--- a/docs/installation/installation_docker.md
+++ b/docs/installation/installation_docker.md
@@ -16,6 +16,9 @@ where docker is available (especially recommended for Windows and macOS).
 > network.
 > If you want to expose Part-DB to the internet, you have to configure a reverse proxy with an SSL certificate!
 
+It is recommended to install Part-DB on a 64-bit system, as the 32-bit version of PHP is affected by the
+[Year 2038 problem](https://en.wikipedia.org/wiki/Year_2038_problem) and can not handle dates after 2038 correctly.
+
 ## Docker-compose
 
 Docker-compose configures the needed images and automatically creates the needed containers and volumes.
diff --git a/docs/installation/installation_guide-debian.md b/docs/installation/installation_guide-debian.md
index d8c70a6f..f6cf1e8c 100644
--- a/docs/installation/installation_guide-debian.md
+++ b/docs/installation/installation_guide-debian.md
@@ -18,6 +18,9 @@ installation.
 > network.
 > If you want to expose Part-DB to the internet, you HAVE to configure an SSL connection!
 
+It is recommended to install Part-DB on a 64-bit system, as the 32-bit version of PHP is affected by the 
+[Year 2038 problem](https://en.wikipedia.org/wiki/Year_2038_problem) and can not handle dates after 2038 correctly.
+
 ## Installation with SQLite database
 
 ### Install prerequisites