diff --git a/androscalpel/src/dex_id.rs b/androscalpel/src/dex_id.rs
index c2b80ad..2054e51 100644
--- a/androscalpel/src/dex_id.rs
+++ b/androscalpel/src/dex_id.rs
@@ -66,7 +66,7 @@ impl IdMethodType {
                 .iter()
                 .map(|param| param.__str__())
                 .collect::<Vec<String>>()
-                .join(" "),
+                .join(""),
             self.return_type.__str__()
         )
     }
@@ -495,7 +495,7 @@ impl IdField {
         let class: String = self.class_.get_name().into();
         let name: String = (&self.name).into();
         let ty: String = self.type_.get_name().into();
-        format!("({ty}) {class}.{name}")
+        format!("{class}->{name}:{ty}")
     }
 
     pub fn __repr__(&self) -> String {
@@ -596,7 +596,7 @@ impl IdMethod {
 
     pub fn __str__(&self) -> String {
         format!(
-            "{}.{}({}){}",
+            "{}->{}({}){}",
             self.class_.__str__(),
             self.name.__str__(),
             self.proto
@@ -604,7 +604,7 @@ impl IdMethod {
                 .iter()
                 .map(|param| param.__str__())
                 .collect::<Vec<String>>()
-                .join(", "),
+                .join(""),
             self.proto.return_type.__str__()
         )
     }