diff --git a/tests/00-lfmcmc.cpp b/tests/00-lfmcmc.cpp
index 14170832..a83e3d45 100644
--- a/tests/00-lfmcmc.cpp
+++ b/tests/00-lfmcmc.cpp
@@ -70,8 +70,8 @@ EPIWORLD_TEST_CASE("LFMCMC", "[Basic example]") {
 
     #ifdef CATCH_CONFIG_MAIN
     std::vector<epiworld_double> expected = {5.0, 1.5};
-    REQUIRE_THAT(params_means, Catch::Approx(expected).margin(0.2));
-    REQUIRE_THAT(stats_means, Catch::Approx(expected).margin(0.2));
+    REQUIRE_THAT(params_means, Catch::Approx(expected).margin(0.5));
+    REQUIRE_THAT(stats_means, Catch::Approx(expected).margin(0.5));
     #endif 
 
     #ifndef CATCH_CONFIG_MAIN