diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index d9b5b4b..986a6ab 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -70,15 +70,17 @@
     FILE *fpriv = NULL;
     const char *pers = "rsa_genkey";
 
+    mbedtls_ctr_drbg_init( &ctr_drbg );
+
     mbedtls_printf( "\n  . Seeding the random number generator..." );
     fflush( stdout );
 
     mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_init( &ctr_drbg, mbedtls_entropy_func, &entropy,
+    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
                                (const unsigned char *) pers,
                                strlen( pers ) ) ) != 0 )
     {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_init returned %d\n", ret );
+        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
         goto exit;
     }