1 files changed, 2 insertions, 2 deletions
diff --git a/src/ctor.h b/src/ctor.h
index 9c6fcf6..27b30af 100644
--- a/src/ctor.h
+++ b/src/ctor.h
@@ -233,7 +233,7 @@ struct build_configuration
 
 using build_configurations = std::vector<build_configuration>;
 
-int reg(ctor::build_configurations (*cb)(const ctor::settings&),
+int reg(std::function<ctor::build_configurations (const ctor::settings&)> cb,
         const std::source_location location = std::source_location::current());
 
 // This type will use flags verbatim
@@ -252,7 +252,7 @@ struct external_configuration
 
 using external_configurations = std::vector<ctor::external_configuration>;
 
-int reg(ctor::external_configurations (*cb)(const ctor::settings&),
+int reg(std::function<ctor::external_configurations (const ctor::settings&)> cb,
         const std::source_location location = std::source_location::current());
 
 // Convenience macro - ugly but keeps things simple(r)