diff --git a/nagios/manifests/target.pp b/nagios/manifests/target.pp
index 0b44cbd..a824dd6 100644
--- a/nagios/manifests/target.pp
+++ b/nagios/manifests/target.pp
@@ -491,13 +491,15 @@ class nagios::target::nrpe inherits nagios::target {
             default   => "nagios-plugins-load",
         }
     }
-    nagios::target::nrpe::service { "check_swap -w 75% -c 50%":
-        description => "Swap",
-        package     => $::operatingsystem ? {
-            "openbsd" => undef,
-            "debian"  => "nagios-plugins-basic",
-            "ubuntu"  => "nagios-plugins-basic",
-            default   => "nagios-plugins-swap",
+    if regsubst($::swapsize, '^([0-9]+)\..*', '\1') != 0 {
+        nagios::target::nrpe::service { "check_swap -w 75% -c 50%":
+            description => "Swap",
+            package     => $::operatingsystem ? {
+                "openbsd" => undef,
+                "debian"  => "nagios-plugins-basic",
+                "ubuntu"  => "nagios-plugins-basic",
+                default   => "nagios-plugins-swap",
+            }
         }
     }