diff --git a/ext/toolchain/commands1.py b/ext/toolchain/commands1.py
index a051ee14..9f8149c2 100644
--- a/ext/toolchain/commands1.py
+++ b/ext/toolchain/commands1.py
@@ -1376,6 +1376,9 @@ class InternalCommands:
 		return filename
 
 	def findLibraryFile(self, type, dir, name):
+		if not os.path.exists(dir):
+			return None
+
 		(platform, packageExt, libraryExt) = self.getDistributePlatformInfo(type)
 		ext = libraryExt