diff --git a/packages.go b/packages.go
index 466db8629..cad8e5edb 100644
--- a/packages.go
+++ b/packages.go
@@ -192,6 +192,7 @@ func (pkgDefs *PackagesDefinitions) parseFunctionScopedTypesFromFile(astFile *as
 	for _, astDeclaration := range astFile.Decls {
 		funcDeclaration, ok := astDeclaration.(*ast.FuncDecl)
 		if ok && funcDeclaration.Body != nil {
+			functionScopedTypes := make(map[string]*TypeSpecDef)
 			for _, stmt := range funcDeclaration.Body.List {
 				if declStmt, ok := (stmt).(*ast.DeclStmt); ok {
 					if genDecl, ok := (declStmt.Decl).(*ast.GenDecl); ok && genDecl.Tok == token.TYPE {
@@ -212,12 +213,28 @@ func (pkgDefs *PackagesDefinitions) parseFunctionScopedTypesFromFile(astFile *as
 									}
 								}
 
+								fullName := typeSpecDef.TypeName()
+								if structType, ok := typeSpecDef.TypeSpec.Type.(*ast.StructType); ok {
+									for _, field := range structType.Fields.List {
+										if idt, ok := field.Type.(*ast.Ident); ok && !IsGolangPrimitiveType(idt.Name) {
+											if functype, ok := functionScopedTypes[idt.Name]; ok {
+												idt.Name = functype.TypeName()
+											}
+										}
+										if art, ok := field.Type.(*ast.ArrayType); ok {
+											if idt, ok := art.Elt.(*ast.Ident); ok && !IsGolangPrimitiveType(idt.Name) {
+												if functype, ok := functionScopedTypes[idt.Name]; ok {
+													idt.Name = functype.TypeName()
+												}
+											}
+										}
+									}
+								}
+
 								if pkgDefs.uniqueDefinitions == nil {
 									pkgDefs.uniqueDefinitions = make(map[string]*TypeSpecDef)
 								}
 
-								fullName := typeSpecDef.TypeName()
-
 								anotherTypeDef, ok := pkgDefs.uniqueDefinitions[fullName]
 								if ok {
 									if anotherTypeDef == nil {
@@ -234,6 +251,7 @@ func (pkgDefs *PackagesDefinitions) parseFunctionScopedTypesFromFile(astFile *as
 									}
 								} else {
 									pkgDefs.uniqueDefinitions[fullName] = typeSpecDef
+									functionScopedTypes[typeSpec.Name.Name] = typeSpecDef
 								}
 
 								if pkgDefs.packages[typeSpecDef.PkgPath] == nil {
diff --git a/parser_test.go b/parser_test.go
index 0479a7595..fc898711f 100644
--- a/parser_test.go
+++ b/parser_test.go
@@ -3389,6 +3389,49 @@ func Fun()  {
 	assert.True(t, ok)
 }
 
+func TestParseFunctionScopedComplexStructDefinition(t *testing.T) {
+	t.Parallel()
+
+	src := `
+package main
+
+// @Param request body main.Fun.request true "query params" 
+// @Success 200 {object} main.Fun.response
+// @Router /test [post]
+func Fun()  {
+	type request struct {
+		Name string
+	}
+	
+	type grandChild struct {
+		Name string
+	}
+
+	type child struct {
+		GrandChild grandChild
+	}
+
+	type response struct {
+		Children 	[]child
+	}
+}
+`
+	p := New()
+	_ = p.packages.ParseFile("api", "api/api.go", src, ParseAll)
+	_, err := p.packages.ParseTypes()
+	assert.NoError(t, err)
+
+	err = p.packages.RangeFiles(p.ParseRouterAPIInfo)
+	assert.NoError(t, err)
+
+	_, ok := p.swagger.Definitions["main.Fun.response"]
+	assert.True(t, ok)
+	_, ok = p.swagger.Definitions["main.Fun.child"]
+	assert.True(t, ok)
+	_, ok = p.swagger.Definitions["main.Fun.grandChild"]
+	assert.True(t, ok)
+}
+
 func TestParseFunctionScopedStructRequestResponseJSON(t *testing.T) {
 	t.Parallel()
 
@@ -3474,6 +3517,130 @@ func Fun()  {
 	assert.Equal(t, expected, string(b))
 }
 
+func TestParseFunctionScopedComplexStructRequestResponseJSON(t *testing.T) {
+	t.Parallel()
+
+	src := `
+package main
+
+type PublicChild struct {
+	Name string
+}	
+
+// @Param request body main.Fun.request true "query params" 
+// @Success 200 {object} main.Fun.response
+// @Router /test [post]
+func Fun()  {
+	type request struct {
+		Name string
+	}
+	
+	type grandChild struct {
+		Name string
+	}
+
+	type child struct {
+		GrandChild grandChild
+	}
+
+	type response struct {
+		Children 	[]child
+	    PublicChild PublicChild
+	}
+}
+`
+	expected := `{
+    "info": {
+        "contact": {}
+    },
+    "paths": {
+        "/test": {
+            "post": {
+                "parameters": [
+                    {
+                        "description": "query params",
+                        "name": "request",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/main.Fun.request"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/main.Fun.response"
+                        }
+                    }
+                }
+            }
+        }
+    },
+    "definitions": {
+        "main.Fun.child": {
+            "type": "object",
+            "properties": {
+                "grandChild": {
+                    "$ref": "#/definitions/main.Fun.grandChild"
+                }
+            }
+        },
+        "main.Fun.grandChild": {
+            "type": "object",
+            "properties": {
+                "name": {
+                    "type": "string"
+                }
+            }
+        },
+        "main.Fun.request": {
+            "type": "object",
+            "properties": {
+                "name": {
+                    "type": "string"
+                }
+            }
+        },
+        "main.Fun.response": {
+            "type": "object",
+            "properties": {
+                "children": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/main.Fun.child"
+                    }
+                },
+                "publicChild": {
+                    "$ref": "#/definitions/main.PublicChild"
+                }
+            }
+        },
+        "main.PublicChild": {
+            "type": "object",
+            "properties": {
+                "name": {
+                    "type": "string"
+                }
+            }
+        }
+    }
+}`
+
+	p := New()
+	_ = p.packages.ParseFile("api", "api/api.go", src, ParseAll)
+
+	_, err := p.packages.ParseTypes()
+	assert.NoError(t, err)
+
+	err = p.packages.RangeFiles(p.ParseRouterAPIInfo)
+	assert.NoError(t, err)
+
+	b, _ := json.MarshalIndent(p.swagger, "", "    ")
+	assert.Equal(t, expected, string(b))
+}
+
 func TestPackagesDefinitions_CollectAstFileInit(t *testing.T) {
 	t.Parallel()
 
diff --git a/testdata/simple/api/api.go b/testdata/simple/api/api.go
index 85a7fa48f..3bc6ec391 100644
--- a/testdata/simple/api/api.go
+++ b/testdata/simple/api/api.go
@@ -138,3 +138,15 @@ func GetPet6FunctionScopedResponse() {
 		Name string
 	}
 }
+
+// @Success 200 {object}  api.GetPet6FunctionScopedComplexResponse.response "ok"
+// @Router /GetPet6FunctionScopedComplexResponse [get]
+func GetPet6FunctionScopedComplexResponse() {
+	type child struct {
+		Name string
+	}
+
+	type response struct {
+		Child child
+	}
+}
diff --git a/testdata/simple/expected.json b/testdata/simple/expected.json
index b3f642629..e2a0dd71a 100644
--- a/testdata/simple/expected.json
+++ b/testdata/simple/expected.json
@@ -113,6 +113,18 @@
         }
       }
     },
+    "/GetPet6FunctionScopedComplexResponse": {
+      "get": {
+        "responses": {
+          "200": {
+            "description": "ok",
+            "schema": {
+              "$ref": "#/definitions/api.GetPet6FunctionScopedComplexResponse.response"
+            }
+          }
+        }
+      }
+    },
     "/GetPet6MapString": {
       "get": {
         "responses": {
@@ -401,6 +413,25 @@
     }
   },
   "definitions": {
+    "api.GetPet6FunctionScopedComplexResponse.pet": {
+      "type": "object",
+      "properties": {
+        "name": {
+          "type": "string"
+        }
+      }
+    },
+    "api.GetPet6FunctionScopedComplexResponse.response": {
+      "type": "object",
+      "properties": {
+        "Pets": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/api.GetPet6FunctionScopedComplexResponse.pet"
+          }
+        }
+      }
+    },
     "api.GetPet6FunctionScopedResponse.response": {
       "type": "object",
       "properties": {