diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6e050b8..3af230d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,9 +93,9 @@ if(NOT WIN32 OR MINGW)
 endif()
 
 if(UNIX AND NOT APPLE)
-  check_support(HAS_DL_FIND_OBJECT has_dl_find_object.cpp "" "" "")
+  check_support(HAS_DL_FIND_OBJECT has_dl_find_object.cpp "" "dl" "")
   if(NOT HAS_DL_FIND_OBJECT)
-    check_support(HAS_DLADDR1 has_dladdr1.cpp "" "" "")
+    check_support(HAS_DLADDR1 has_dladdr1.cpp "" "dl" "")
   endif()
 endif()
 
diff --git a/cmake/has_dladdr1.cpp b/cmake/has_dladdr1.cpp
index b92aad0..fd069a5 100644
--- a/cmake/has_dladdr1.cpp
+++ b/cmake/has_dladdr1.cpp
@@ -1,4 +1,5 @@
 #include <dlfcn.h>
+#include <link.h>
 
 int main() {
     Dl_info info;