diff --git a/pkg/a2l/a2lhelpers.go b/pkg/a2l/a2lhelpers.go
index 3d7d2e1..3ffcfa6 100644
--- a/pkg/a2l/a2lhelpers.go
+++ b/pkg/a2l/a2lhelpers.go
@@ -26,7 +26,7 @@ func a2lIntToIntType(integerValue parser.IIntegerValueContext) (result *IntType)
 
 	if tmpResult, err = strconv.ParseInt(rawString, int(base), 64); err == nil {
 		result = &IntType{
-			Value: tmpResult,
+			Value: int32(tmpResult),
 			Base:  base,
 			Size:  uint32(len(rawString)),
 		}
@@ -56,7 +56,7 @@ func a2lLongToLongType(integerValue parser.IIntegerValueContext) (result *LongTy
 
 	if tmpResult, err = strconv.ParseInt(rawString, int(base), 64); err == nil {
 		result = &LongType{
-			Value: tmpResult,
+			Value: int32(tmpResult),
 			Base:  base,
 			Size:  uint32(len(rawString)),
 		}
@@ -86,7 +86,7 @@ func numericToLongType(integerValue parser.INumericValueContext) (result *LongTy
 
 	if tmpResult, err = strconv.ParseInt(rawString, int(base), 64); err == nil {
 		result = &LongType{
-			Value: tmpResult,
+			Value: int32(tmpResult),
 			Base:  base,
 			Size:  uint32(len(rawString)),
 		}
@@ -148,7 +148,7 @@ func floatToFloatType(integerValue parser.INumericValueContext) (result *FloatTy
 	}
 
 	if tmpResult, err = strconv.ParseFloat(originalString, 64); err == nil {
-		result.Value = tmpResult
+		result.Value = float32(tmpResult)
 	} else {
 		panic(err)
 	}
diff --git a/pkg/a2l/a2mlhelpers.go b/pkg/a2l/a2mlhelpers.go
index 8db7381..9c86705 100644
--- a/pkg/a2l/a2mlhelpers.go
+++ b/pkg/a2l/a2mlhelpers.go
@@ -35,7 +35,7 @@ func arraySpecifierToLongType(integerValue parser.IArraySpecifierContext) (resul
 
 	if tmpResult, err = strconv.ParseInt(rawString, int(base), 64); err == nil {
 		result = &LongType{
-			Value: tmpResult,
+			Value: int32(tmpResult),
 			Base:  base,
 			Size:  uint32(len(rawString)),
 		}
diff --git a/protobuf/shared.proto b/protobuf/shared.proto
index f4e8bb1..1c55dc8 100644
--- a/protobuf/shared.proto
+++ b/protobuf/shared.proto
@@ -3,19 +3,19 @@ syntax = "proto3";
 option go_package = "./../pkg/a2l";
 
 message IntType {
-  int64 Value = 1;
+  int32 Value = 1;
   uint32 Base = 2;
   uint32 Size = 3;
 }
 
 message LongType {
-  int64 Value = 1;
+  int32 Value = 1;
   uint32 Base = 2;
   uint32 Size = 3;
 }
 
 message FloatType {
-  double Value = 1;
+  float Value = 1;
   optional string IntegralSign = 2;
   uint32 IntegralSize = 3;
   uint32 DecimalSize = 4;