diff --git a/src/used_variables.rs b/src/used_variables.rs
index 40fe3251..532f6787 100644
--- a/src/used_variables.rs
+++ b/src/used_variables.rs
@@ -91,7 +91,7 @@ fn extract_variable_from_expression(expr: &Expr, variables: &mut HashSet<String>
                 } else if function == "cdt" {
                     variables.insert("cdt_name".into());
                     variables.insert("cdt_arch".into());
-                } else if function == "cmp" {
+                } else if function == "match" {
                     extract_variable_from_expression(&call.args[0], variables);
                 }
             }
@@ -316,6 +316,8 @@ mod test {
             - ${{ pin_subpackage("foobar") }}
             - ${{ pin_compatible(compatible) }}
             - ${{ pin_compatible(abc ~ def) }}
+            - if: match(xpython, ">=3.7")
+              then: numpy 100
         "#;
 
         let recipe_node = crate::recipe::custom_yaml::Node::parse_yaml(0, recipe).unwrap();
@@ -332,6 +334,7 @@ mod test {
         assert!(used_vars.contains("compatible"));
         assert!(used_vars.contains("abc"));
         assert!(used_vars.contains("def"));
+        assert!(used_vars.contains("xpython"));
     }
 
     #[test]