diff --git a/internal/util/indexparamcheck/conf_adapter.go b/internal/util/indexparamcheck/conf_adapter.go
index 9f1fd55787..2d1f60954b 100644
--- a/internal/util/indexparamcheck/conf_adapter.go
+++ b/internal/util/indexparamcheck/conf_adapter.go
@@ -419,7 +419,7 @@ func (adapter *RHNSWPQConfAdapter) CheckTrain(params map[string]string) bool {
 		return false
 	}
 	pqm, err := strconv.Atoi(pqmStr)
-	if err != nil {
+	if err != nil || pqm == 0 {
 		return false
 	}
 
diff --git a/internal/util/indexparamcheck/conf_adapter_test.go b/internal/util/indexparamcheck/conf_adapter_test.go
index 9063151be4..d5649af576 100644
--- a/internal/util/indexparamcheck/conf_adapter_test.go
+++ b/internal/util/indexparamcheck/conf_adapter_test.go
@@ -461,6 +461,9 @@ func TestRHNSWPQConfAdapter_CheckTrain(t *testing.T) {
 	invalidParamsPQM := copyParams(validParams)
 	invalidParamsPQM[PQM] = "NAN"
 
+	invalidParamsPQMZero := copyParams(validParams)
+	invalidParamsPQMZero[PQM] = "0"
+
 	cases := []struct {
 		params map[string]string
 		want   bool
@@ -473,6 +476,7 @@ func TestRHNSWPQConfAdapter_CheckTrain(t *testing.T) {
 		{invalidMParamsMax, false},
 		{invalidParamsWithoutPQM, false},
 		{invalidParamsPQM, false},
+		{invalidParamsPQMZero, false},
 	}
 
 	adapter := newRHNSWPQConfAdapter()