diff --git a/src/afl-ld-lto.c b/src/afl-ld-lto.c
index 420dd817..cb76ba9c 100644
--- a/src/afl-ld-lto.c
+++ b/src/afl-ld-lto.c
@@ -37,6 +37,7 @@
 #include <time.h>
 #include <ctype.h>
 #include <fcntl.h>
+#include <limits.h>
 
 #include <sys/stat.h>
 #include <sys/types.h>