diff --git a/library/dhm.c b/library/dhm.c
index af70885..6b4e29f 100644
--- a/library/dhm.c
+++ b/library/dhm.c
@@ -534,7 +534,7 @@
         ( *buf = mbedtls_calloc( 1, *n + 1 ) ) == NULL )
     {
         fclose( f );
-        return( MBEDTLS_ERR_DHM_MALLOC_FAILED );
+        return( MBEDTLS_ERR_DHM_ALLOC_FAILED );
     }
 
     if( fread( *buf, 1, *n, f ) != *n )