diff --git a/cmd/bencgen/codegens/golang-gen.go b/cmd/bencgen/codegens/golang-gen.go
index bd2e8a3..7088701 100644
--- a/cmd/bencgen/codegens/golang-gen.go
+++ b/cmd/bencgen/codegens/golang-gen.go
@@ -385,6 +385,13 @@ func (g *GoGen) getSizeFunc() string {
 	}
 }
 
+func makeExternalStructureUpperOrNot(externalStructure string) string {
+	if strings.Contains(externalStructure, ".") {
+		return externalStructure
+	}
+	return utils.ToUpper(externalStructure)
+}
+
 func (g *GoGen) getElemSizeFunc(t *parser.Type) string {
 	switch {
 	case t.IsArray:
@@ -399,7 +406,7 @@ func (g *GoGen) getElemSizeFunc(t *parser.Type) string {
 		}
 
 		return fmt.Sprintf("func (s %s) int { return s.SizePlain() }",
-			utils.ToUpper(t.ExternalStructure))
+			makeExternalStructureUpperOrNot(t.ExternalStructure))
 	default:
 		return "bstd.Size" + t.TokenType.String()
 	}
@@ -497,7 +504,7 @@ func (g *GoGen) getElemMarshalFunc(t *parser.Type) string {
 		}
 
 		return fmt.Sprintf("func (n int, b []byte, s %s) int { return s.MarshalPlain(n, b) }",
-			utils.ToUpper(t.ExternalStructure))
+			makeExternalStructureUpperOrNot(t.ExternalStructure))
 	default:
 		return "bstd.Marshal" + t.AppendUnsafeIfPresent() + t.TokenType.String()
 	}
@@ -601,7 +608,7 @@ func (g *GoGen) getElemUnmarshalFunc(t *parser.Type) string {
 			return "bgenimpl.UnmarshalEnum"
 		}
 		return fmt.Sprintf("func (n int, b []byte, s *%s) (int, error) { return s.UnmarshalPlain(n, b) }",
-			utils.ToUpper(t.ExternalStructure))
+			makeExternalStructureUpperOrNot(t.ExternalStructure))
 	default:
 		return "bstd.Unmarshal" + t.AppendUnsafeIfPresent() + t.TokenType.String()
 	}
diff --git a/go.mod b/go.mod
index 5e911f9..703bbf5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,7 @@ retract (
     v1.1.0 // Undefined behavior vulnerability
     v1.1.1 // Broken varint skip
     v1.1.2 // Undefined Uint methods after code generation
+    v1.1.5 // Broken code generation with slices and maps using imported benc schemas
 )
 
 module github.com/deneonet/benc
diff --git a/testing/others/others.go b/testing/others/others.go
index 23c1f6f..ecbb0b0 100644
--- a/testing/others/others.go
+++ b/testing/others/others.go
@@ -37,7 +37,7 @@ type OthersTest struct {
     ExampleEnum ExampleEnum
     ExampleEnum2 ExampleEnum2
     Person person.Person
-    Person2 person.Person2
+    Person2 [][][]person.Person2
 }
 
 // Reserved Ids - OthersTest
@@ -59,7 +59,7 @@ func (othersTest *OthersTest) NestedSize(id uint16) (s int) {
     s += bgenimpl.SizeEnum(othersTest.ExampleEnum) + 2
     s += bgenimpl.SizeEnum(othersTest.ExampleEnum2) + 2
     s += othersTest.Person.NestedSize(9)
-    s += othersTest.Person2.NestedSize(10)
+    s += bstd.SizeSlice(othersTest.Person2, func (s [][]person.Person2) int { return bstd.SizeSlice(s, func (s []person.Person2) int { return bstd.SizeSlice(s, func (s person.Person2) int { return s.SizePlain() }) }) }) + 2
 
     if id > 255 {
         s += 5
@@ -80,7 +80,7 @@ func (othersTest *OthersTest) SizePlain() (s int) {
     s += bgenimpl.SizeEnum(othersTest.ExampleEnum)
     s += bgenimpl.SizeEnum(othersTest.ExampleEnum2)
     s += othersTest.Person.SizePlain()
-    s += othersTest.Person2.SizePlain()
+    s += bstd.SizeSlice(othersTest.Person2, func (s [][]person.Person2) int { return bstd.SizeSlice(s, func (s []person.Person2) int { return bstd.SizeSlice(s, func (s person.Person2) int { return s.SizePlain() }) }) })
     return
 }
 
@@ -109,7 +109,8 @@ func (othersTest *OthersTest) NestedMarshal(tn int, b []byte, id uint16) (n int)
     n = bgenimpl.MarshalTag(n, b, bgenimpl.ArrayMap, 8)
     n = bgenimpl.MarshalEnum(n, b, othersTest.ExampleEnum2)
     n = othersTest.Person.NestedMarshal(n, b, 9)
-    n = othersTest.Person2.NestedMarshal(n, b, 10)
+    n = bgenimpl.MarshalTag(n, b, bgenimpl.ArrayMap, 10)
+    n = bstd.MarshalSlice(n, b, othersTest.Person2, func (n int, b []byte, s [][]person.Person2) int { return bstd.MarshalSlice(n, b, s, func (n int, b []byte, s []person.Person2) int { return bstd.MarshalSlice(n, b, s, func (n int, b []byte, s person.Person2) int { return s.MarshalPlain(n, b) }) }) })
 
     n += 2
     b[n-2] = 1
@@ -129,7 +130,7 @@ func (othersTest *OthersTest) MarshalPlain(tn int, b []byte) (n int) {
     n = bgenimpl.MarshalEnum(n, b, othersTest.ExampleEnum)
     n = bgenimpl.MarshalEnum(n, b, othersTest.ExampleEnum2)
     n = othersTest.Person.MarshalPlain(n, b)
-    n = othersTest.Person2.MarshalPlain(n, b)
+    n = bstd.MarshalSlice(n, b, othersTest.Person2, func (n int, b []byte, s [][]person.Person2) int { return bstd.MarshalSlice(n, b, s, func (n int, b []byte, s []person.Person2) int { return bstd.MarshalSlice(n, b, s, func (n int, b []byte, s person.Person2) int { return s.MarshalPlain(n, b) }) }) })
     return n
 }
 
@@ -239,9 +240,17 @@ func (othersTest *OthersTest) NestedUnmarshal(tn int, b []byte, r []uint16, id u
     if n, err = othersTest.Person.NestedUnmarshal(n, b, othersTestRIds, 9); err != nil {
         return
     }
-    if n, err = othersTest.Person2.NestedUnmarshal(n, b, othersTestRIds, 10); err != nil {
+    if n, ok, err = bgenimpl.HandleCompatibility(n, b, othersTestRIds, 10); err != nil {
+        if err == bgenimpl.ErrEof {
+            return n, nil
+        }
         return
     }
+    if ok {
+        if n, othersTest.Person2, err = bstd.UnmarshalSlice[[][]person.Person2](n, b, func (n int, b []byte) (int, [][]person.Person2, error) { return bstd.UnmarshalSlice[[]person.Person2](n, b, func (n int, b []byte) (int, []person.Person2, error) { return bstd.UnmarshalSlice[person.Person2](n, b, func (n int, b []byte, s *person.Person2) (int, error) { return s.UnmarshalPlain(n, b) }) }) }); err != nil {
+            return
+        }
+    }
     n += 2
     return
 }
@@ -276,7 +285,7 @@ func (othersTest *OthersTest) UnmarshalPlain(tn int, b []byte) (n int, err error
     if n, err = othersTest.Person.UnmarshalPlain(n, b); err != nil {
         return
     }
-    if n, err = othersTest.Person2.UnmarshalPlain(n, b); err != nil {
+    if n, othersTest.Person2, err = bstd.UnmarshalSlice[[][]person.Person2](n, b, func (n int, b []byte) (int, [][]person.Person2, error) { return bstd.UnmarshalSlice[[]person.Person2](n, b, func (n int, b []byte) (int, []person.Person2, error) { return bstd.UnmarshalSlice[person.Person2](n, b, func (n int, b []byte, s *person.Person2) (int, error) { return s.UnmarshalPlain(n, b) }) }) }); err != nil {
         return
     }
     return
diff --git a/testing/schemas/others.benc b/testing/schemas/others.benc
index 2a6c1d1..af59500 100644
--- a/testing/schemas/others.benc
+++ b/testing/schemas/others.benc
@@ -31,8 +31,8 @@ ctr OthersTest {
     ExampleEnum2 exampleEnum2 = 8;
 
     person.Person person = 9;
-    person.2.test.defines.Person2 person2 = 10;
+    [][][]person.2.test.defines.Person2 person2 = 10;
 }
 
 # DO NOT EDIT.
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\ No newline at end of file
+# [meta_s] 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 [meta_e]
\ No newline at end of file