1 files changed, 1 insertions, 0 deletions
diff --git a/e_os.h b/e_os.h
index 14089f5655..bf317ce6c0 100644
--- a/e_os.h
+++ b/e_os.h
@@ -10,6 +10,7 @@
 #ifndef HEADER_E_OS_H
 # define HEADER_E_OS_H
 
+# include <limits.h>
 # include <openssl/opensslconf.h>
 
 # include <openssl/e_os2.h>