diff --git a/include/llvm/Config/dlfcn.h b/include/llvm/Config/dlfcn.h
index bf51315ce25..01fbe164710 100644
--- a/include/llvm/Config/dlfcn.h
+++ b/include/llvm/Config/dlfcn.h
@@ -16,6 +16,10 @@
 
 #include "llvm/Config/config.h"
 
+#ifdef HAVE_LTDL_H
+#include <ltdl.h>
+#endif
+
 #ifdef HAVE_DLFCN_H
 #include <dlfcn.h>
 #endif