Only override service mac if set on the main network.

Signed-off-by: Florian Apolloner <[email protected]>
docker · Jan 7, 2025 · 2ebb475 · 2ebb475
1 parent d474515
commit 2ebb475
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/compose/create.go b/pkg/compose/create.go
@@ -416,7 +416,7 @@ func (s *composeService) prepareContainerMACAddress(ctx context.Context, service
 			return "", fmt.Errorf("a MAC address is specified for multiple networks (%s), but this feature requires Docker Engine 1.44 or later (currently: %s)", strings.Join(withMacAddress, ", "), version)
 		}
 
-		if mainNw != nil {
+		if mainNw != nil && mainNw.MacAddress != "" {
 			macAddress = mainNw.MacAddress
 		}
 	}