diff --git a/Makefile b/Makefile
index 167f9dc..31a2dbf 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@ pdfs:
 	git checkout $(VERSION)/VGL
 	make compile
 	cp $(PDF_TARGET) $(OUT_DIR)/$(VERSION)_VGL.pdf
-	git checkout $(VERSION)
+	git checkout master
 
 compile:
 # If not Exists, create 'Build' directory