diff --git a/client/src/rpc.rs b/client/src/rpc.rs
index 392e547..2603715 100644
--- a/client/src/rpc.rs
+++ b/client/src/rpc.rs
@@ -342,5 +342,11 @@ fn format_hex(num: &U256) -> String {
         .trim_start_matches('0')
         .to_string();
 
+    let stripped = if stripped.is_empty() {
+        "0".to_string()
+    } else {
+        stripped
+    };
+
     format!("0x{stripped}")
 }