diff --git a/tests/suites/test_suite_lmots.function b/tests/suites/test_suite_lmots.function
index 616c39fa9e..b5b18b50f8 100644
--- a/tests/suites/test_suite_lmots.function
+++ b/tests/suites/test_suite_lmots.function
@@ -162,7 +162,7 @@ void lmots_import_export_test (  data_t * pub_key, int expected_import_rc )
                                                    exported_pub_key_buf_size,
                                                    &exported_pub_key_size ), 0 );
 
-        TEST_EQUAL( exported_pub_key_buf_size,
+        TEST_EQUAL( exported_pub_key_size,
                     MBEDTLS_LMOTS_PUBLIC_KEY_LEN(MBEDTLS_LMOTS_SHA256_N32_W8) );
         ASSERT_COMPARE( pub_key->x, pub_key->len,
                         exported_pub_key, exported_pub_key_size );
@@ -184,7 +184,7 @@ void lmots_import_export_test (  data_t * pub_key, int expected_import_rc )
         TEST_EQUAL( mbedtls_lmots_export_public_key( &ctx, exported_pub_key,
                                                    exported_pub_key_buf_size, NULL ),
                     0 );
-        TEST_EQUAL( exported_pub_key_buf_size,
+        TEST_EQUAL( exported_pub_key_size,
                     MBEDTLS_LMOTS_PUBLIC_KEY_LEN(MBEDTLS_LMOTS_SHA256_N32_W8) );
         ASSERT_COMPARE( pub_key->x, pub_key->len,
                         exported_pub_key, exported_pub_key_size );