1 diff --git a/CMakeLists.txt b/CMakeLists.txt
2 index 56741c2..313308a 100644
5 @@ -142,8 +142,11 @@ if (UNIX)
7 INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/graphqlparser.lib
9 + # do not install pdb when static compilation.
10 + if (BUILD_SHARED_LIBS)
11 INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/graphqlparser.pdb