diff --git a/databases/soci/files/patch-tests_catch.hpp b/databases/soci/files/patch-tests_catch.hpp
new file mode 100644
index 000000000000..97cd0e00127b
--- /dev/null
+++ b/databases/soci/files/patch-tests_catch.hpp
@@ -0,0 +1,11 @@
+--- tests/catch.hpp.orig	2022-02-10 19:13:13 UTC
++++ tests/catch.hpp
+@@ -7170,7 +7170,7 @@ namespace Catch {
+ namespace Catch {
+ 
+     struct RandomNumberGenerator {
+-        typedef std::ptrdiff_t result_type;
++        typedef std::size_t result_type;
+ 
+         result_type operator()( result_type n ) const { return std::rand() % n; }
+