diff --git a/apps/opentelemetry/test/otel_configuration_SUITE.erl b/apps/opentelemetry/test/otel_configuration_SUITE.erl
index 4f292c12..e021c45b 100644
--- a/apps/opentelemetry/test/otel_configuration_SUITE.erl
+++ b/apps/opentelemetry/test/otel_configuration_SUITE.erl
@@ -239,7 +239,7 @@ sampler_parent_based_one(_Config) ->
     ok.
 
 sampler_parent_based_zero(_Config) ->
-    ?assertMatch({parent_based, #{root := {trace_id_ratio_based, 0.0}}},
+    ?assertMatch({parent_based, #{root := {trace_id_ratio_based, +0.0}}},
                  maps:get(sampler, otel_configuration:merge_with_os([]))),
 
     ok.