diff --git a/x11vnc.service b/x11vnc.service
index e19bbd6..d96f3dc 100644
--- a/x11vnc.service
+++ b/x11vnc.service
@@ -23,7 +23,7 @@ Restart=on-failure
 RestartSec=5
 
 # Resource limits
-MemoryLimit=256M
+MemoryMax=256M
 CPUQuota=30%
 
 # Logging
diff --git a/xvfb.service b/xvfb.service
index 4664b20..176b2cb 100644
--- a/xvfb.service
+++ b/xvfb.service
@@ -17,7 +17,7 @@ Restart=on-failure
 RestartSec=5
 
 # Resource limits
-MemoryLimit=512M
+MemoryMax=512M
 CPUQuota=50%
 
 # Logging