diff --git a/integration-tests/engines.js b/integration-tests/engines.js
index ed34a91e4..fc44c5548 100644
--- a/integration-tests/engines.js
+++ b/integration-tests/engines.js
@@ -207,12 +207,12 @@ const engines = [
           {
             parameterName: 'b',
             parameterMode: 'IN',
-            dataType: 'varchar(20)',
+            dataType: 'varchar',
           },
           {
             parameterName: 'c',
             parameterMode: 'IN',
-            dataType: 'numeric(18,2)',
+            dataType: 'numeric',
           },
         ],
       },
diff --git a/plugins/dbgate-plugin-postgres/src/backend/Analyser.js b/plugins/dbgate-plugin-postgres/src/backend/Analyser.js
index 60dbfd76a..fbf6b1c4d 100644
--- a/plugins/dbgate-plugin-postgres/src/backend/Analyser.js
+++ b/plugins/dbgate-plugin-postgres/src/backend/Analyser.js
@@ -211,7 +211,7 @@ class Analyser extends DatabaseAnalyser {
       .map(i => ({
         pureName: i.pure_name,
         parameterName: i.parameter_name,
-        dataType: i.data_type,
+        dataType: normalizeTypeName(i.data_type),
         parameterMode: i.parameter_mode,
         schemaName: i.schema_name,
       }));
@@ -228,7 +228,7 @@ class Analyser extends DatabaseAnalyser {
       .map(i => ({
         pureName: i.pure_name,
         parameterName: i.parameter_name,
-        dataType: i.data_type,
+        dataType: normalizeTypeName(i.data_type),
         parameterMode: i.parameter_mode,
         schemaName: i.schema_name,
       }));