diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index 8f496b0..9fd3adc 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -280,7 +280,7 @@
     memset( my_out, 0, sizeof( my_out ) );
     csr_der = unhexify_alloc( csr_der_hex, &csr_der_len );
 
-    my_ret = x509_csr_parse( &csr, csr_der, csr_der_len );
+    my_ret = x509_csr_parse_der( &csr, csr_der, csr_der_len );
     TEST_ASSERT( my_ret == ref_ret );
 
     if( ref_ret == 0 )