diff --git a/src/libexim-encrypt-dlfunc.c b/src/libexim-encrypt-dlfunc.c
index b8329f2..26b7967 100644
--- a/src/libexim-encrypt-dlfunc.c
+++ b/src/libexim-encrypt-dlfunc.c
@@ -8,31 +8,31 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#define LOCAL_SCAN
-#define DLFUNC_IMPL
-/* Exim4 dlfunc API header */
-#include <exim4/local_scan.h>
-
 /*
- * This is a set of workarounds for the different exim local_scan ABI versions, distribution patches and missing
- * definitions which prevent late binding.
+ * This is a set of workarounds for the different exim local_scan ABI versions and distribution patches.
  *
  * List of local_scan ABI versions per distribution:
  *
- * 2.0  Debian 10 (Buster)
- * 4.1  Debian 11 (Bullseye)
  * 2.0  Ubuntu 18-04 (Bionic)
+ * 2.0  Debian 10 (Buster)
  * 3.1  Ubuntu 20-04 (Focal)
+ * 4.1  Debian 11 (Bullseye)
  */
 
 #if LOCAL_SCAN_VERSION < 3
+#define LOCAL_SCAN
+
+#include <exim4/local_scan.h>
+
 #define store_get_untainted(size) (store_get(size))
 #define store_get_tainted(size) (store_get(size))
 #elif LOCAL_SCAN_VERSION >= 3
+#define DLFUNC_IMPL
+#include <exim4/local_scan.h>
 #define store_get_untainted(size) (store_get(size, FALSE))
 #define store_get_tainted(size) (store_get(size, TRUE))
 #else
-#error "exim4 local version"
+#error "exim local_scan API version unknown"
 #endif
 
 /*