diff --git a/packagemanager/zypper.go b/packagemanager/zypper.go
index d1564b58..402ce576 100644
--- a/packagemanager/zypper.go
+++ b/packagemanager/zypper.go
@@ -7,8 +7,12 @@ import (
 )
 
 // NewZypper creates a new zypper package manager.
+//
+// The install action passes --allow-vendor-change so that a package which
+// replaces one provided by a different vendor resolves non-interactively
+// instead of cancelling with exit code 4.
 func NewZypper(c cmd.ContextRunner) PackageManager {
-	return newUniversalPackageManager(c, "zypper", "zypper", "install -y", "remove -y", "refresh")
+	return newUniversalPackageManager(c, "zypper", "zypper", "install -y --allow-vendor-change", "remove -y", "refresh")
 }
 
 // RegisterZypper registers the zypper package manager to a repository.