diff --git a/dal/db_query/queries.sql b/dal/db_query/queries.sql
index 8cc41a2..87c3ea4 100644
--- a/dal/db_query/queries.sql
+++ b/dal/db_query/queries.sql
@@ -485,7 +485,6 @@ WITH Funnel AS (
         COUNT(DISTINCT a.session) FILTER (WHERE a.start = FALSE) AS count_start_false,
         COUNT(DISTINCT a.session) FILTER (WHERE a.start = TRUE) AS count_start_true,
         COUNT(DISTINCT CASE WHEN a.result = FALSE AND qid_true_result IS NOT NULL THEN a.session END) AS count_f_result_with_t_question,
-        COUNT(DISTINCT CASE WHEN a.start = TRUE AND qid_true_result IS NULL THEN a.session END) AS count_t_start_with_t_question,
         COUNT(DISTINCT a.session) FILTER (WHERE a.result = TRUE) AS count_t_result
     FROM
         answer a
@@ -571,7 +570,6 @@ SELECT
     Funnel.count_start_false,
     Funnel.count_start_true,
     Funnel.count_f_result_with_t_question,
-    Funnel.count_t_start_with_t_question,
     Funnel.count_t_result,
     Results.question_title AS results_title,
     Results.percentage AS results_percentage,
diff --git a/repository/statistics/statistics.go b/repository/statistics/statistics.go
index 8b02fd7..6701a4f 100644
--- a/repository/statistics/statistics.go
+++ b/repository/statistics/statistics.go
@@ -130,9 +130,11 @@ func (r *StatisticsRepository) GetQuestionsStatistics(ctx context.Context, req D
 	}
 
 	for _, row := range queStatistics {
-		resp.Funnel[0] = float64(row.CountStartFalse) / float64(row.CountStartTrue)
-		resp.Funnel[1] = float64(row.CountFResultWithTQuestion) / float64(row.CountStartTrue)
-		resp.Funnel[2] = float64(row.CountTResult) / float64(row.CountStartTrue)
+		if row.CountStartTrue != 0 {
+			resp.Funnel[0] = float64(row.CountStartFalse) / float64(row.CountStartTrue)
+			resp.Funnel[1] = float64(row.CountFResultWithTQuestion) / float64(row.CountStartTrue)
+			resp.Funnel[2] = float64(row.CountTResult) / float64(row.CountStartTrue)
+		}
 
 		fmt.Println(resp.Funnel)
 		resp.Results[row.ResultsTitle] = float64(row.ResultsPercentage)