diff --git a/Content.Server/Administration/Logs/AdminLogManager.cs b/Content.Server/Administration/Logs/AdminLogManager.cs
index add51a7775..600311a651 100644
--- a/Content.Server/Administration/Logs/AdminLogManager.cs
+++ b/Content.Server/Administration/Logs/AdminLogManager.cs
@@ -302,6 +302,13 @@ public sealed partial class AdminLogManager : SharedAdminLogManager, IAdminLogMa
             return;
         }
 
+        // PostgreSQL does not support storing null chars in text values.
+        if (message.Contains('\0'))
+        {
+            _sawmill.Error($"Null character detected in admin log message '{message}'! LogType: {type}, LogImpact: {impact}");
+            message = message.Replace("\0", "");
+        }
+
         var log = new AdminLog
         {
             Id = NextLogId,