diff --git a/external/graphqlparser/CMakeLists.txt b/external/graphqlparser/CMakeLists.txt
index 024a1ac..2f030cb 100644
--- a/external/graphqlparser/CMakeLists.txt
+++ b/external/graphqlparser/CMakeLists.txt
@@ -125,7 +125,7 @@ INSTALL(FILES
 if (0)
 INSTALL(TARGETS graphqlparser
   LIBRARY DESTINATION lib)
-endif
+endif()
 
 if (UNIX)
   # generate pkgconfig file