diff --git a/ethabi/src/decoder.rs b/ethabi/src/decoder.rs
index 020dcd0aa..c55ffb813 100644
--- a/ethabi/src/decoder.rs
+++ b/ethabi/src/decoder.rs
@@ -165,9 +165,9 @@ fn decode_param(param: &ParamType, data: &[u8], offset: usize) -> Result<DecodeR
 
 			let (tail, mut new_offset) = if is_dynamic {
 				let offset = as_usize(&peek_32_bytes(data, offset)?)?;
-                if offset > data.len() {
-                    return Err(Error::InvalidData);
-                }
+				if offset > data.len() {
+					return Err(Error::InvalidData);
+				}
 				(&data[offset..], 0)
 			} else {
 				(data, offset)