diff --git a/CHANGELOG.md b/CHANGELOG.md
index d83a129..f1f5612 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@ This file contains the changes made to the package.
 
 The sections are in descending order of the change date.
 
+## [0.1.15]: - 2022-08-20
+### Fixed
+- `Array.map` error during `*:1` relation mapping.
+
 ## [0.1.14]: - 2022-08-16
 ### Fixed
 - Prisma Selections for deeply nested objects were not working correctly.
@@ -38,7 +42,8 @@ object.
 The initial version of the package.
 
 [Unreleased]: https://github.com/incetarik/nestjs-prisma-dynamic-resolvers/compare/v1.0.0...HEAD
-[0.1.13]: https://github.com/incetarik/nestjs-prisma-dynamic-resolvers/compare/0.1.3...0.1.14
+[0.1.15]: https://github.com/incetarik/nestjs-prisma-dynamic-resolvers/compare/0.1.14...0.1.15
+[0.1.14]: https://github.com/incetarik/nestjs-prisma-dynamic-resolvers/compare/0.1.13...0.1.14
 [0.1.13]: https://github.com/incetarik/nestjs-prisma-dynamic-resolvers/compare/0.1.9...0.1.13
 [0.1.9]: https://github.com/incetarik/nestjs-prisma-dynamic-resolvers/compare/0.1.7...0.1.9
 [0.1.7]: https://github.com/incetarik/nestjs-prisma-dynamic-resolvers/compare/0.1.6...0.1.7
diff --git a/src/dynamic-resolvers.ts b/src/dynamic-resolvers.ts
index 7356cee..96ad0da 100644
--- a/src/dynamic-resolvers.ts
+++ b/src/dynamic-resolvers.ts
@@ -435,7 +435,8 @@ abstract class DynamicResolverBase {
       reverseTableName = sourceTableName,
     } = navigationMap
 
-    const isArray = relation.indexOf('*') >= 0
+    const [ _left, right ] = relation.split(':')
+    const isArray = right.indexOf('*') >= 0
 
     if (sourceProperty in parent) {
       const data = (parent as any)[ sourceProperty ]