diff --git a/src/commands/backup.rs b/src/commands/backup.rs
index 9449b0174..9a6190119 100644
--- a/src/commands/backup.rs
+++ b/src/commands/backup.rs
@@ -53,12 +53,7 @@ pub struct BackupCmd {
     /// Don't scan the backup source for its size - this disables ETA estimation for backup.
     #[clap(long)]
     #[merge(strategy = merge::bool::overwrite_false)]
-    pub no_scan: bool,
-
-    /// Output generated snapshot in json format
-    #[clap(long)]
-    #[merge(strategy = merge::bool::overwrite_false)]
-    json: bool,
+    no_scan: bool,
 
     /// Don't show any output
     #[clap(long, conflicts_with = "json")]
@@ -228,7 +223,7 @@ impl BackupCmd {
                 .dry_run(config.global.dry_run);
             let snap = repo.backup(&backup_opts, &source, opts.snap_opts.to_snapshot()?)?;
 
-            if opts.json {
+            if config.global.json {
                 let mut stdout = std::io::stdout();
                 serde_json::to_writer_pretty(&mut stdout, &snap)?;
             } else if !opts.quiet {
diff --git a/src/commands/forget.rs b/src/commands/forget.rs
index 6ce30ee0a..0735d1dab 100644
--- a/src/commands/forget.rs
+++ b/src/commands/forget.rs
@@ -26,10 +26,6 @@ pub(super) struct ForgetCmd {
     #[clap(value_name = "ID")]
     ids: Vec<String>,
 
-    /// Show infos in json format
-    #[clap(long)]
-    json: bool,
-
     /// Don't show any output
     #[clap(long, conflicts_with = "json")]
     quiet: bool,
@@ -123,7 +119,7 @@ impl ForgetCmd {
             ForgetGroups(vec![item])
         };
 
-        if self.json {
+        if config.global.json {
             let mut stdout = std::io::stdout();
             serde_json::to_writer_pretty(&mut stdout, &groups)?;
         } else if !self.quiet {
@@ -132,7 +128,11 @@ impl ForgetCmd {
 
         let forget_snaps = groups.into_forget_ids();
 
-        match (forget_snaps.is_empty(), config.global.dry_run, self.json) {
+        match (
+            forget_snaps.is_empty(),
+            config.global.dry_run,
+            config.global.json,
+        ) {
             (true, _, false) => println!("nothing to remove"),
             (false, true, false) => {
                 println!("would have removed the following snapshots:\n {forget_snaps:?}");
diff --git a/src/commands/merge.rs b/src/commands/merge.rs
index aa102f349..6485d3625 100644
--- a/src/commands/merge.rs
+++ b/src/commands/merge.rs
@@ -16,10 +16,6 @@ pub(super) struct MergeCmd {
     #[clap(value_name = "ID")]
     ids: Vec<String>,
 
-    /// Output generated snapshot in json format
-    #[clap(long)]
-    json: bool,
-
     /// Remove input snapshots after merging
     #[clap(long)]
     delete: bool,
@@ -53,7 +49,7 @@ impl MergeCmd {
 
         let snap = repo.merge_snapshots(&snapshots, &last_modified_node, snap)?;
 
-        if self.json {
+        if config.global.json {
             let mut stdout = std::io::stdout();
             serde_json::to_writer_pretty(&mut stdout, &snap)?;
         }
diff --git a/src/commands/repoinfo.rs b/src/commands/repoinfo.rs
index 16750f6cf..962267880 100644
--- a/src/commands/repoinfo.rs
+++ b/src/commands/repoinfo.rs
@@ -22,10 +22,6 @@ pub(crate) struct RepoInfoCmd {
     /// Only scan index
     #[clap(long)]
     only_index: bool,
-
-    /// Show infos in json format
-    #[clap(long)]
-    json: bool,
 }
 
 impl Runnable for RepoInfoCmd {
@@ -66,7 +62,7 @@ impl RepoInfoCmd {
                 .transpose()?,
         };
 
-        if self.json {
+        if config.global.json {
             let mut stdout = std::io::stdout();
             serde_json::to_writer_pretty(&mut stdout, &infos)?;
             return Ok(());
diff --git a/src/commands/snapshots.rs b/src/commands/snapshots.rs
index 2b4e0821f..b137ea321 100644
--- a/src/commands/snapshots.rs
+++ b/src/commands/snapshots.rs
@@ -37,10 +37,6 @@ pub(crate) struct SnapshotCmd {
     #[arg(long)]
     long: bool,
 
-    /// Show snapshots in json format
-    #[clap(long, conflicts_with = "long")]
-    json: bool,
-
     /// Show all snapshots instead of summarizing identical follow-up snapshots
     #[clap(long, conflicts_with_all = &["long", "json"])]
     all: bool,
@@ -64,7 +60,7 @@ impl SnapshotCmd {
             config.snapshot_filter.matches(sn)
         })?;
 
-        if self.json {
+        if config.global.json {
             let mut stdout = std::io::stdout();
             serde_json::to_writer_pretty(&mut stdout, &groups)?;
             return Ok(());
diff --git a/src/config.rs b/src/config.rs
index 3a6d3757c..2ffeb1904 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -158,6 +158,11 @@ pub struct GlobalOptions {
     #[clap(long, global = true, env = "RUSTIC_LOG_FILE", value_name = "LOGFILE")]
     pub log_file: Option<PathBuf>,
 
+    /// Output in JSON format
+    #[clap(long, global = true, env = "RUSTIC_JSON")]
+    #[merge(strategy = merge::bool::overwrite_false)]
+    pub json: bool,
+
     /// Settings to customize progress bars
     #[clap(flatten)]
     #[serde(flatten)]