--- src/qmapshack/CMakeLists.txt.orig	2021-05-24 14:06:57 UTC
+++ src/qmapshack/CMakeLists.txt
@@ -971,7 +971,7 @@ target_link_libraries(${APPLICATION_NAME}
     Qt5::Help
     ${DBUS_LIB}
     ${GDAL_LIBRARIES}
-    ${PROJ_LIBRARIES}
+    ${PROJ_LDFLAGS} ${PROJ_LIBRARIES}
     ${ROUTINO_LIBRARIES}
     ${ALGLIB_LIBRARIES}
     QuaZip::QuaZip
