diff --git a/itl/command-common.conf b/itl/command-common.conf
index 942466a19..62707dc88 100644
--- a/itl/command-common.conf
+++ b/itl/command-common.conf
@@ -230,8 +230,8 @@ object CheckCommand "swap" {
 
 	command = [
 		PluginDir + "/check_swap",
-		"-w", "$wgreater$%",
-		"-c", "$cgreater$%"
+		"-w", "$wfree$%",
+		"-c", "$cfree$%"
 	],
 
 	vars.wfree = 50,