diff --git a/src/main/java/org/kpmp/geneExpression/RTExpressionDataAllSegmentsRepository.java b/src/main/java/org/kpmp/geneExpression/RTExpressionDataAllSegmentsRepository.java
index f974986..245dcd6 100755
--- a/src/main/java/org/kpmp/geneExpression/RTExpressionDataAllSegmentsRepository.java
+++ b/src/main/java/org/kpmp/geneExpression/RTExpressionDataAllSegmentsRepository.java
@@ -14,7 +14,8 @@ public interface RTExpressionDataAllSegmentsRepository extends CrudRepository<RT
 	@Query(value = "SELECT rts.*, rsv.sample_count, s.segment_name FROM rt_segments rts "
 			+ "LEFT JOIN rt_summary_v rsv ON rts.segment = rsv.segment AND rts.tissue_type = rsv.tissue_type "
 			+ "LEFT JOIN segment s on rts.segment = s.abbreviation "
-			+ "WHERE rts.tissue_type = :tissueType AND rts.gene_symbol = :geneSymbol", nativeQuery = true)
+			+ "WHERE rts.tissue_type = :tissueType AND rts.gene_symbol = :geneSymbol "
+	       		+ "GROUP BY rts.segment", nativeQuery = true)
 	List<RTExpressionDataAllSegments> findByGeneSymbolAndTissueTypeWithCounts(String geneSymbol, String tissueType);
 
 	@Cacheable("rtExpByStructure")
diff --git a/src/main/java/org/kpmp/geneExpression/RTExpressionDataGTIRepository.java b/src/main/java/org/kpmp/geneExpression/RTExpressionDataGTIRepository.java
index 3b7b4eb..77a97ec 100755
--- a/src/main/java/org/kpmp/geneExpression/RTExpressionDataGTIRepository.java
+++ b/src/main/java/org/kpmp/geneExpression/RTExpressionDataGTIRepository.java
@@ -13,6 +13,7 @@ public interface RTExpressionDataGTIRepository extends CrudRepository<RTExpressi
 	@Query(value = "SELECT rtg.*, rsv.sample_count, s.segment_name FROM rt_gti rtg "
 			+ "LEFT JOIN rt_summary_v rsv ON rtg.segment = rsv.segment AND rtg.tissue_type = rsv.tissue_type "
 			+ "LEFT JOIN segment s on rtg.segment = s.abbreviation "
-			+ "WHERE rtg.tissue_type = :tissueType AND rtg.gene_symbol = :geneSymbol", nativeQuery = true)
+			+ "WHERE rtg.tissue_type = :tissueType AND rtg.gene_symbol = :geneSymbol " 
+	       		+ "GROUP BY rtg.segment", nativeQuery = true)
 	List<RTExpressionDataGTI> findByGeneSymbolAndTissueTypeWithCounts(String geneSymbol, String tissueType);
 }