diff --git a/pkg/asm/disassembler.go b/pkg/asm/disassembler.go
index ac682ec3..81fe09ea 100644
--- a/pkg/asm/disassembler.go
+++ b/pkg/asm/disassembler.go
@@ -55,14 +55,18 @@ func collectLabels(bytecode []vm.Instruction, names map[int]string) map[int]stri
 	labels := make(map[int]string)
 	counter := 0
 
+	// Iterate through the labels in the program to initialize the labels map
+	for target, name := range names {
+		labels[target] = fmt.Sprintf("@%s", name)
+	}
+
+	// Collect unmarked jump targets
 	for _, instr := range bytecode {
 		switch instr.Opcode {
 		case vm.OpJump, vm.OpJumpIfFalse, vm.OpJumpIfTrue, vm.OpIterNext, vm.OpIterSkip, vm.OpIterLimit:
 			target := int(instr.Operands[0])
-			if name, ok := names[target]; ok && name != "" {
-				labels[target] = fmt.Sprintf("@%s", name)
-			} else if _,
-				ok := labels[target]; !ok {
+
+			if name, ok := names[target]; !ok || name == "" {
 				labels[target] = fmt.Sprintf("@L%d", counter)
 				counter++
 			}
diff --git a/pkg/asm/disassembler_test.go b/pkg/asm/disassembler_test.go
index 50856016..1e97f826 100644
--- a/pkg/asm/disassembler_test.go
+++ b/pkg/asm/disassembler_test.go
@@ -1,9 +1,10 @@
 package asm
 
 import (
-	"github.com/MontFerret/ferret/pkg/vm"
 	"reflect"
 	"testing"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func TestDisassemble(t *testing.T) {
diff --git a/pkg/asm/formatter.go b/pkg/asm/formatter.go
index 034ee066..8a1e5d8a 100644
--- a/pkg/asm/formatter.go
+++ b/pkg/asm/formatter.go
@@ -2,6 +2,7 @@ package asm
 
 import (
 	"fmt"
+
 	"github.com/MontFerret/ferret/pkg/runtime"
 	"github.com/MontFerret/ferret/pkg/vm"
 )
diff --git a/pkg/compiler/internal/core/symbols.go b/pkg/compiler/internal/core/symbols.go
index 2adda710..87c82d69 100644
--- a/pkg/compiler/internal/core/symbols.go
+++ b/pkg/compiler/internal/core/symbols.go
@@ -118,6 +118,10 @@ func (st *SymbolTable) BindParam(name string) vm.Operand {
 }
 
 func (st *SymbolTable) BindFunction(name string, args int) {
+	if st.functions == nil {
+		st.functions = make(map[string]int)
+	}
+
 	if currArgs, exists := st.functions[name]; exists {
 		// we need to ensure that the number of arguments is not greater than the current one
 		// if it is not, we will not override the current one
diff --git a/test/integration/compiler/assertions.go b/test/integration/compiler/assertions.go
index 876f046b..03c60763 100644
--- a/test/integration/compiler/assertions.go
+++ b/test/integration/compiler/assertions.go
@@ -2,8 +2,10 @@ package compiler_test
 
 import (
 	"fmt"
-	"github.com/MontFerret/ferret/pkg/vm"
+
 	"github.com/smartystreets/goconvey/convey"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func CastToProgram(prog any) *vm.Program {
diff --git a/test/integration/compiler/compiler_for_while_distinct_test.go b/test/integration/compiler/compiler_for_while_distinct_test.go
index b82e0f0c..7e4d8e69 100644
--- a/test/integration/compiler/compiler_for_while_distinct_test.go
+++ b/test/integration/compiler/compiler_for_while_distinct_test.go
@@ -1,8 +1,9 @@
 package compiler_test
 
 import (
-	"github.com/MontFerret/ferret/pkg/vm"
 	"testing"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func TestForWhileDistinct(t *testing.T) {
diff --git a/test/integration/compiler/compiler_op_logical_test.go b/test/integration/compiler/compiler_op_logical_test.go
index 45403818..5bb9fed0 100644
--- a/test/integration/compiler/compiler_op_logical_test.go
+++ b/test/integration/compiler/compiler_op_logical_test.go
@@ -1,8 +1,9 @@
 package compiler_test
 
 import (
-	"github.com/MontFerret/ferret/pkg/vm"
 	"testing"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func TestLogicalOperators(t *testing.T) {
diff --git a/test/integration/compiler/test_case.go b/test/integration/compiler/test_case.go
index ff621d08..04d8f2bc 100644
--- a/test/integration/compiler/test_case.go
+++ b/test/integration/compiler/test_case.go
@@ -2,10 +2,11 @@ package compiler_test
 
 import (
 	"fmt"
-	"github.com/MontFerret/ferret/pkg/asm"
 	"strings"
 	"testing"
 
+	"github.com/MontFerret/ferret/pkg/asm"
+
 	"github.com/smartystreets/goconvey/convey"
 
 	"github.com/MontFerret/ferret/pkg/compiler"
diff --git a/test/integration/vm/vm_for_while_collect_agg_test.go b/test/integration/vm/vm_for_while_collect_agg_test.go
index c4de4b96..44bceda0 100644
--- a/test/integration/vm/vm_for_while_collect_agg_test.go
+++ b/test/integration/vm/vm_for_while_collect_agg_test.go
@@ -1,8 +1,9 @@
 package vm_test
 
 import (
-	"github.com/MontFerret/ferret/pkg/vm"
 	"testing"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func TestForWhileCollectAggregate(t *testing.T) {
diff --git a/test/integration/vm/vm_for_while_collect_test.go b/test/integration/vm/vm_for_while_collect_test.go
index 1d86deeb..c40c29d9 100644
--- a/test/integration/vm/vm_for_while_collect_test.go
+++ b/test/integration/vm/vm_for_while_collect_test.go
@@ -1,8 +1,9 @@
 package vm_test
 
 import (
-	"github.com/MontFerret/ferret/pkg/vm"
 	"testing"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func TestForWhileCollect(t *testing.T) {
diff --git a/test/integration/vm/vm_for_while_distinct_test.go b/test/integration/vm/vm_for_while_distinct_test.go
index 9dd1cdef..5271232d 100644
--- a/test/integration/vm/vm_for_while_distinct_test.go
+++ b/test/integration/vm/vm_for_while_distinct_test.go
@@ -1,8 +1,9 @@
 package vm_test
 
 import (
-	"github.com/MontFerret/ferret/pkg/vm"
 	"testing"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func TestForWhileDistinct(t *testing.T) {
diff --git a/test/integration/vm/vm_for_while_nested_test.go b/test/integration/vm/vm_for_while_nested_test.go
index 5d268f7d..7036818a 100644
--- a/test/integration/vm/vm_for_while_nested_test.go
+++ b/test/integration/vm/vm_for_while_nested_test.go
@@ -1,8 +1,9 @@
 package vm_test
 
 import (
-	"github.com/MontFerret/ferret/pkg/vm"
 	"testing"
+
+	"github.com/MontFerret/ferret/pkg/vm"
 )
 
 func TestForWhileNested(t *testing.T) {