diff --git a/CMakeLists.txt b/CMakeLists.txt
index c53569df..8e5973c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -144,7 +144,7 @@ export(TARGETS apriltag
 
 # install pkgconfig file
 configure_file(${PROJECT_NAME}.pc.in ${PROJECT_NAME}.pc @ONLY)
-install(FILES "${CMAKE_BINARY_DIR}/${PROJECT_NAME}.pc"
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
         DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")