diff --git a/logic/minecraft/InstanceVersion.cpp b/logic/minecraft/InstanceVersion.cpp
index ca0e3796..91393b53 100644
--- a/logic/minecraft/InstanceVersion.cpp
+++ b/logic/minecraft/InstanceVersion.cpp
@@ -157,7 +157,7 @@ bool InstanceVersion::removeFtbPack()
 bool InstanceVersion::isVanilla()
 {
 	QDir patches(PathCombine(m_instance->instanceRoot(), "patches/"));
-	if(VersionPatches.size() > 1)
+	if(VersionPatches.size() >= 1)
 		return false;
 	if(QFile::exists(PathCombine(m_instance->instanceRoot(), "custom.json")))
 		return false;