diff --git a/processor/tailsamplingprocessor/config_test.go b/processor/tailsamplingprocessor/config_test.go
index 164aa318013d..99e1aa8f11cc 100644
--- a/processor/tailsamplingprocessor/config_test.go
+++ b/processor/tailsamplingprocessor/config_test.go
@@ -36,7 +36,7 @@ func TestLoadConfig(t *testing.T) {
 			DecisionWait:            10 * time.Second,
 			NumTraces:               100,
 			ExpectedNewTracesPerSec: 10,
-			DecisionCache:           DecisionCacheConfig{SampledCacheSize: 500},
+			DecisionCache:           DecisionCacheConfig{SampledCacheSize: 1000, NonSampledCacheSize: 10000},
 			PolicyCfgs: []PolicyCfg{
 				{
 					sharedPolicyCfg: sharedPolicyCfg{