diff --git a/docker-compose.malware-scanner.yml b/docker-compose.malware-scanner.yml
index 14a0f5ee..7dd0dd0c 100644
--- a/docker-compose.malware-scanner.yml
+++ b/docker-compose.malware-scanner.yml
@@ -21,7 +21,7 @@ services:
     deploy:
       resources:
         limits:
-          cpus: '0.50'
+          cpus: '${CLAMAV_CPU:-0.50}'
     networks:
       shared:
         ipv4_address: 10.10.10.100