diff --git a/builder/hyperv/common/step_mount_integration_services.go b/builder/hyperv/common/step_mount_integration_services.go
index 5460d52b8..5aad1f4ab 100644
--- a/builder/hyperv/common/step_mount_integration_services.go
+++ b/builder/hyperv/common/step_mount_integration_services.go
@@ -112,7 +112,7 @@ func (s *StepMountSecondaryDvdImages) addAndMountDvdDisk(vmName string, isoPath
 			return properties, err
 		}
 
-		if controllerNumber != "0" || controllerNumber != "1" {
+		if controllerNumber != "0" && controllerNumber != "1" {
 			//There are only 2 ide controllers, try to use the one the hdd is attached too
 			controllerNumber = "0"
 		}