diff --git a/srcpkgs/cbang/patches/fix-include.patch b/srcpkgs/cbang/patches/fix-include.patch
new file mode 100644
index 00000000000..5965d142403
--- /dev/null
+++ b/srcpkgs/cbang/patches/fix-include.patch
@@ -0,0 +1,10 @@
+--- a/src/cbang/openssl/BigNum.h
++++ b/src/cbang/openssl/BigNum.h
+@@ -32,6 +32,7 @@
+ 
+ #pragma once
+ 
++#include <cstdint>
+ #include <string>
+ 
+ typedef struct bignum_st BIGNUM;