diff --git a/cmd/mempool/hasura_integration_test.go b/cmd/mempool/hasura_integration_test.go
index 4444a64..ac41d24 100644
--- a/cmd/mempool/hasura_integration_test.go
+++ b/cmd/mempool/hasura_integration_test.go
@@ -37,13 +37,18 @@ func TestIntegration_HasuraMetadata(t *testing.T) {
 	// Go through `expectedMetadata` and assert that each object
 	// in that array is in `metadata` with corresponding columns.
 	for _, expectedTable := range expectedMetadata.Tables {
-		metadataTable, err := getTableColumns(metadata, expectedTable.Name, "user") // todo: read role from config
+		metadataTableColumns, err := getTableColumns(metadata, expectedTable.Name, "user") // todo: read role from config
 		if err != nil {
-			t.Fatalf("Erro with searching expectedTable in metadata: %e", err)
+			t.Fatalf("Error with searching expectedTable in metadata: %s\n%e", expectedTable.Name, err)
 		}
 
-		if !elementsMatch(expectedTable, metadataTable) {
-			t.Errorf("Table columns do not match: %s", expectedTable.Name)
+		if !elementsMatch(expectedTable, metadataTableColumns) {
+			t.Errorf(
+				"Table columns do not match: %s\nexpected: %s\nactual: %s",
+				expectedTable.Name,
+				expectedTable.Columns,
+				metadataTableColumns,
+			)
 		}
 	}
 }
diff --git a/cmd/mempool/models/proposal.go b/cmd/mempool/models/proposal.go
index e8f4ab4..9da7b0a 100644
--- a/cmd/mempool/models/proposal.go
+++ b/cmd/mempool/models/proposal.go
@@ -6,5 +6,5 @@ type Proposal struct {
 	tableName struct{} `pg:"proposals"`
 	MempoolOperation
 	Period    int64  `json:"period"`
-	Proposals string `json:"proposal"`
+	Proposals string `json:"proposal" pg:"proposals"`
 }
diff --git a/cmd/mempool/models/transaction.go b/cmd/mempool/models/transaction.go
index bcb81fe..e284fc8 100644
--- a/cmd/mempool/models/transaction.go
+++ b/cmd/mempool/models/transaction.go
@@ -4,6 +4,7 @@ package models
 type Transaction struct {
 	//nolint
 	tableName struct{} `pg:"transactions"`
+
 	MempoolOperation
 	Source       string `json:"source" index:"transaction_source_idx"`
 	Fee          int64  `json:"fee,string"`