diff --git a/mongoose.h b/mongoose.h
index eeb33397..ee0c9e00 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -136,6 +136,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <limits.h>
 #include <signal.h>
 #include <stddef.h>
 #include <stdio.h>
@@ -268,6 +269,7 @@ struct dirent *readdir(DIR *dir);
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
+#include <limits.h>
 #include <math.h>
 #include <netdb.h>
 #include <netinet/in.h>