diff --git a/CMake/resources.cmake b/CMake/resources.cmake
index 0218813c9..8db0385ef 100644
--- a/CMake/resources.cmake
+++ b/CMake/resources.cmake
@@ -110,6 +110,9 @@ if(LIB_dl)
   set(CMAKE_REQUIRED_LIBRARIES ${LIB_dl})
   CHECK_FUNCTION_EXISTS(dlsym			HAVE_DLSYM)
   set(CMAKE_REQUIRED_LIBRARIES)
+else()
+# test also for systems where dlsym() is not in libdl (e.g., NetBSD, FreeBSD)
+  CHECK_FUNCTION_EXISTS(dlsym			HAVE_DLSYM)
 endif(LIB_dl)
 
 CHECK_FUNCTION_EXISTS(localeconv		HAVE_LOCALECONV)