diff --git a/include/criterion/types.h b/include/criterion/types.h
index e2a18d3..4734656 100644
--- a/include/criterion/types.h
+++ b/include/criterion/types.h
@@ -123,6 +123,4 @@ struct criterion_test_set {
     size_t tests;
 };
 
-typedef void (*cr_worker_func)(struct criterion_test *, struct criterion_suite *);
-
 #endif /* !CRITERION_TYPES_H_ */
diff --git a/src/compat/process.h b/src/compat/process.h
index 8b965ab..1259e7e 100644
--- a/src/compat/process.h
+++ b/src/compat/process.h
@@ -27,6 +27,8 @@
 # include "criterion/types.h"
 # include "internal.h"
 
+typedef void (*cr_worker_func)(struct criterion_test *, struct criterion_suite *);
+
 struct proc_handle {
 #ifdef VANILLA_WIN32
     HANDLE handle;