diff --git a/.syntastic_c_config b/.syntastic_c_config
index 6b56e25..507d008 100644
--- a/.syntastic_c_config
+++ b/.syntastic_c_config
@@ -18,6 +18,7 @@
 -std=gnu89
 -nostdinc
 -I/usr/lib/gcc/x86_64-redhat-linux/7/include
+-Iinclude
 -ICryptlib/
 -ICryptlib/Include/
 -ICryptlib/OpenSSL/