diff --git a/ChangeLog b/ChangeLog
index 2c031a189..40d89abce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -50,6 +50,8 @@ Bugfix
      extensions in CSRs and CRTs that caused these bitstrings to not be encoded
      correctly as trailing zeroes were not accounted for as unused bits in the
      leading content octet. Fixes #1610.
+   * Add a check for MBEDTLS_X509_CRL_PARSE_C in ssl_server2, guarding the crl
+     sni entry parameter. Reported by inestlerode in #560.
 
 Changes
    * Include configuration file in all header files that use configuration,
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index ec23c8a85..e8e5cd1b6 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -229,8 +229,14 @@ int main( void )
 #endif /* MBEDTLS_SSL_CACHE_C */
 
 #if defined(SNI_OPTION)
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+#define SNI_CRL              ",crl"
+#else
+#define SNI_CRL              ""
+#endif
+
 #define USAGE_SNI                                                           \
-    "    sni=%%s              name1,cert1,key1,ca1,crl1,auth1[,...]\n"  \
+    "    sni=%%s              name1,cert1,key1,ca1"SNI_CRL",auth1[,...]\n"  \
     "                        default: disabled\n"
 #else
 #define USAGE_SNI ""
@@ -565,10 +571,10 @@ void sni_free( sni_entry *head )
 
         mbedtls_x509_crt_free( cur->ca );
         mbedtls_free( cur->ca );
-
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
         mbedtls_x509_crl_free( cur->crl );
         mbedtls_free( cur->crl );
-
+#endif
         next = cur->next;
         mbedtls_free( cur );
         cur = next;
@@ -587,7 +593,10 @@ sni_entry *sni_parse( char *sni_string )
     sni_entry *cur = NULL, *new = NULL;
     char *p = sni_string;
     char *end = p;
-    char *crt_file, *key_file, *ca_file, *crl_file, *auth_str;
+    char *crt_file, *key_file, *ca_file, *auth_str;
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+    char *crl_file;
+#endif
 
     while( *end != '\0' )
         ++end;
@@ -605,7 +614,9 @@ sni_entry *sni_parse( char *sni_string )
         GET_ITEM( crt_file );
         GET_ITEM( key_file );
         GET_ITEM( ca_file );
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
         GET_ITEM( crl_file );
+#endif
         GET_ITEM( auth_str );
 
         if( ( new->cert = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL ||
@@ -630,6 +641,7 @@ sni_entry *sni_parse( char *sni_string )
                 goto error;
         }
 
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
         if( strcmp( crl_file, "-" ) != 0 )
         {
             if( ( new->crl = mbedtls_calloc( 1, sizeof( mbedtls_x509_crl ) ) ) == NULL )
@@ -640,6 +652,7 @@ sni_entry *sni_parse( char *sni_string )
             if( mbedtls_x509_crl_parse_file( new->crl, crl_file ) != 0 )
                 goto error;
         }
+#endif
 
         if( strcmp( auth_str, "-" ) != 0 )
         {