diff --git a/src/formats.rs b/src/formats.rs
index aeb61e4..4ea3c67 100644
--- a/src/formats.rs
+++ b/src/formats.rs
@@ -12,7 +12,7 @@ use snailquote::escape;
 use crate::findings::ScanError;
 use crate::utils::clap_long_version;
 use crate::Findings;
-use itertools::Itertools;
+use itertools::{Either, Itertools};
 
 /// A macro for creating an array of `Writable`s without needing to pepper your code with `into()`s.
 /// # Usage
@@ -340,21 +340,12 @@ impl Format for Json {
 			findings: &'a Vec<&'a Findings>,
 		}
 
-		let result = serde_json::to_writer_pretty(
-			f,
-			&SerdeEntries {
-				errors: &entries
-					.iter()
-					.filter_map(|e| e.as_ref().err())
-					.sorted_unstable()
-					.collect(),
-				findings: &entries
-					.iter()
-					.filter_map(|f| f.as_ref().ok())
-					.sorted_unstable()
-					.collect(),
-			},
-		);
+		let (errors, findings) = &entries.iter().partition_map(|entry| match entry {
+			Err(e) => Either::Left(e),
+			Ok(f) => Either::Right(f),
+		});
+
+		let result = serde_json::to_writer_pretty(f, &SerdeEntries { errors, findings });
 
 		if let Err(err) = result {
 			log::error!("Error while serialising: {}", err);