diff --git a/lib/dialects/db2/query.js b/lib/dialects/db2/query.js
index 32cfe171f5d8..8a14ddcaab50 100644
--- a/lib/dialects/db2/query.js
+++ b/lib/dialects/db2/query.js
@@ -35,12 +35,14 @@ class Query extends AbstractQuery {
       this.sequelize.log(`Executing (${this.connection.uuid || 'default'}): ${this.sql}`, this.options);
     }
 
+    const errStack = new Error().stack;
+
     return new Promise((resolve, reject) => {
       // TRANSACTION SUPPORT
       if (_.startsWith(this.sql, 'BEGIN TRANSACTION')) {
         connection.beginTransaction(err => {
           if (err) {
-            reject(this.formatError(err));
+            reject(this.formatError(err, errStack));
           } else {
             resolve(this.formatResults());
           }
@@ -48,7 +50,7 @@ class Query extends AbstractQuery {
       } else if (_.startsWith(this.sql, 'COMMIT TRANSACTION')) {
         connection.commitTransaction(err => {
           if (err) {
-            reject(this.formatError(err));
+            reject(this.formatError(err, errStack));
           } else {
             resolve(this.formatResults());
           }
@@ -56,7 +58,7 @@ class Query extends AbstractQuery {
       } else if (_.startsWith(this.sql, 'ROLLBACK TRANSACTION')) {
         connection.rollbackTransaction(err => {
           if (err) {
-            reject(this.formatError(err));
+            reject(this.formatError(err, errStack));
           } else {
             resolve(this.formatResults());
           }
@@ -64,11 +66,11 @@ class Query extends AbstractQuery {
       } else if (_.startsWith(this.sql, 'SAVE TRANSACTION')) {
         connection.commitTransaction(err => {
           if (err) {
-            reject(this.formatError(err));
+            reject(this.formatError(err, errStack));
           } else {
             connection.beginTransaction(err => {
               if (err) {
-                reject(this.formatError(err));
+                reject(this.formatError(err, errStack));
               } else {
                 resolve(this.formatResults());
               }
@@ -97,7 +99,7 @@ class Query extends AbstractQuery {
 
         connection.prepare(newSql, (err, stmt) => {
           if (err) {
-            reject(this.formatError(err));
+            reject(this.formatError(err, errStack));
           }
 
           stmt.execute(params, (err, result, outparams) => {
@@ -118,7 +120,7 @@ class Query extends AbstractQuery {
             if (err) {
               err.sql = sql;
               stmt.closeSync();
-              reject(this.formatError(err, connection, parameters));
+              reject(this.formatError(err, errStack, connection, parameters));
             } else {
               let data = [];
               let metadata = [];
@@ -355,7 +357,7 @@ class Query extends AbstractQuery {
     });
   }
 
-  formatError(err, conn, parameters) {
+  formatError(err, errStack, conn, parameters) {
     let match;
 
     if (!(err && err.message)) {
@@ -411,7 +413,7 @@ class Query extends AbstractQuery {
         ));
       });
 
-      return new sequelizeErrors.UniqueConstraintError({ message, errors, parent: err, fields });
+      return new sequelizeErrors.UniqueConstraintError({ message, errors, parent: err, fields, stack: errStack });
     }
 
     match = err.message.match(/SQL0532N {2}A parent row cannot be deleted because the relationship "(.*)" restricts the deletion/)
@@ -422,6 +424,7 @@ class Query extends AbstractQuery {
         fields: null,
         index: match[1],
         parent: err,
+        stack: errStack,
       });
     }
 
@@ -436,10 +439,11 @@ class Query extends AbstractQuery {
         constraint,
         table,
         parent: err,
+        stack: errStack,
       });
     }
 
-    return new sequelizeErrors.DatabaseError(err);
+    return new sequelizeErrors.DatabaseError(err, { stack: errStack });
   }
 
   isDropSchemaQuery() {