diff --git a/library/dhm.c b/library/dhm.c
index 392ed0c..387f5be 100644
--- a/library/dhm.c
+++ b/library/dhm.c
@@ -27,11 +27,7 @@
  *
  */
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "common.h"
 
 #if defined(MBEDTLS_DHM_C)