diff --git a/src/c/load.d b/src/c/load.d
index 87885a476..88e08fb56 100644
--- a/src/c/load.d
+++ b/src/c/load.d
@@ -14,6 +14,7 @@
 #include <ecl/ecl.h>
 #include <ecl/ecl-inl.h>
 #include <ecl/internal.h>
+#include <errno.h>
 
 #ifdef ENABLE_DLOPEN
 cl_object