diff --git a/mlkem/common.h b/mlkem/common.h
index e86201f86..c71468a69 100644
--- a/mlkem/common.h
+++ b/mlkem/common.h
@@ -7,11 +7,13 @@
 
 #if defined(MLKEM_NATIVE_CONFIG_FILE)
 #include MLKEM_NATIVE_CONFIG_FILE
+#else
+#include "config.h"
 #endif /* MLKEM_NATIVE_CONFIG_FILE */
 
+#include "namespace.h"
 #include "params.h"
 #include "sys.h"
-#include "namespace.h"
 
 /* Include backend metadata */
 #if defined(MLKEM_USE_NATIVE)
diff --git a/mlkem/params.h b/mlkem/params.h
index 586c31d33..ba942faec 100644
--- a/mlkem/params.h
+++ b/mlkem/params.h
@@ -5,7 +5,11 @@
 #ifndef PARAMS_H
 #define PARAMS_H
 
-#include "config.h"
+#if defined(MLKEM_NATIVE_CONFIG_FILE)
+#include MLKEM_NATIVE_CONFIG_FILE
+#else
+#includ "config.h"
+#endif /* MLKEM_NATIVE_CONFIG_FILE */
 
 #if !defined(MLKEM_K)
 #error MLKEM_K is not defined