diff --git a/espanso-config/src/legacy/mod.rs b/espanso-config/src/legacy/mod.rs
index 7c3126e..8347c8e 100644
--- a/espanso-config/src/legacy/mod.rs
+++ b/espanso-config/src/legacy/mod.rs
@@ -89,7 +89,7 @@ fn split_config(config: LegacyConfig) -> (LegacyInteropConfig, LegacyMatchGroup)
     .iter()
     .filter_map(|var| {
       let var: YAMLVariable = serde_yaml::from_value(var.clone()).ok()?;
-      let (var, warnings) = try_convert_into_variable(var).ok()?;
+      let (var, warnings) = try_convert_into_variable(var, true).ok()?;
       warnings.into_iter().for_each(|warning| {
         warn!("{}", warning);
       });
diff --git a/espanso-config/src/matches/group/loader/yaml/mod.rs b/espanso-config/src/matches/group/loader/yaml/mod.rs
index 6e1e3d1..785cea3 100644
--- a/espanso-config/src/matches/group/loader/yaml/mod.rs
+++ b/espanso-config/src/matches/group/loader/yaml/mod.rs
@@ -74,7 +74,7 @@ impl Importer for YAMLImporter {
 
     let mut global_vars = Vec::new();
     for yaml_global_var in yaml_group.global_vars.as_ref().cloned().unwrap_or_default() {
-      match try_convert_into_variable(yaml_global_var) {
+      match try_convert_into_variable(yaml_global_var, false) {
         Ok((var, warnings)) => {
           global_vars.push(var);
           non_fatal_errors.extend(warnings.into_iter().map(ErrorRecord::warn));
@@ -208,8 +208,9 @@ pub fn try_convert_into_match(
 
       let mut vars: Vec<Variable> = Vec::new();
       for yaml_var in yaml_match.vars.unwrap_or_default() {
-        let (var, var_warnings) = try_convert_into_variable(yaml_var.clone())
-          .with_context(|| format!("failed to load variable: {:?}", yaml_var))?;
+        let (var, var_warnings) =
+          try_convert_into_variable(yaml_var.clone(), use_compatibility_mode)
+            .with_context(|| format!("failed to load variable: {:?}", yaml_var))?;
         warnings.extend(var_warnings);
         vars.push(var);
       }
@@ -270,6 +271,7 @@ pub fn try_convert_into_match(
         name: "form1".to_owned(),
         var_type: "form".to_owned(),
         params,
+        ..Default::default()
       }];
 
       MatchEffect::Text(TextEffect {
@@ -303,13 +305,17 @@ pub fn try_convert_into_match(
   ))
 }
 
-pub fn try_convert_into_variable(yaml_var: YAMLVariable) -> Result<(Variable, Vec<Warning>)> {
+pub fn try_convert_into_variable(
+  yaml_var: YAMLVariable,
+  use_compatibility_mode: bool,
+) -> Result<(Variable, Vec<Warning>)> {
   Ok((
     Variable {
       name: yaml_var.name,
       var_type: yaml_var.var_type,
       params: convert_params(yaml_var.params)?,
       id: next_id(),
+      inject_vars: !use_compatibility_mode && yaml_var.inject_vars.unwrap_or(true),
     },
     Vec::new(),
   ))
@@ -615,7 +621,8 @@ mod tests {
             id: 0,
             name: "form1".to_string(),
             var_type: "form".to_string(),
-            params
+            params,
+            ..Default::default()
           }],
           ..Default::default()
         }),
@@ -651,7 +658,8 @@ mod tests {
             id: 0,
             name: "form1".to_string(),
             var_type: "form".to_string(),
-            params
+            params,
+            ..Default::default()
           }],
           ..Default::default()
         }),
@@ -689,7 +697,8 @@ mod tests {
             id: 0,
             name: "form1".to_string(),
             var_type: "form".to_string(),
-            params
+            params,
+            ..Default::default()
           }],
           ..Default::default()
         }),
diff --git a/espanso-config/src/matches/group/loader/yaml/parse.rs b/espanso-config/src/matches/group/loader/yaml/parse.rs
index 39a18fa..52ca447 100644
--- a/espanso-config/src/matches/group/loader/yaml/parse.rs
+++ b/espanso-config/src/matches/group/loader/yaml/parse.rs
@@ -125,6 +125,9 @@ pub struct YAMLVariable {
 
   #[serde(default = "default_params")]
   pub params: Mapping,
+
+  #[serde(default)]
+  pub inject_vars: Option<bool>,
 }
 
 fn default_params() -> Mapping {
diff --git a/espanso-config/src/matches/mod.rs b/espanso-config/src/matches/mod.rs
index 7e3fb13..5d74bdd 100644
--- a/espanso-config/src/matches/mod.rs
+++ b/espanso-config/src/matches/mod.rs
@@ -205,6 +205,7 @@ pub struct Variable {
   pub name: String,
   pub var_type: String,
   pub params: Params,
+  pub inject_vars: bool,
 }
 
 impl Default for Variable {
@@ -214,6 +215,7 @@ impl Default for Variable {
       name: String::new(),
       var_type: String::new(),
       params: Params::new(),
+      inject_vars: true,
     }
   }
 }