diff --git a/modules/auxiliary/admin/natpmp/natpmp_map.rb b/modules/auxiliary/admin/natpmp/natpmp_map.rb
index 1e881959d0..1738a8e425 100644
--- a/modules/auxiliary/admin/natpmp/natpmp_map.rb
+++ b/modules/auxiliary/admin/natpmp/natpmp_map.rb
@@ -101,7 +101,7 @@ class Metasploit3 < Msf::Auxiliary
     )
 
     # report the external port as being open
-    if inside_workspace_boundary(external_address)
+    if inside_workspace_boundary?(external_address)
       report_service(
         :host   => external_address,
         :port   => external_port,
diff --git a/modules/auxiliary/gather/natpmp_external_address.rb b/modules/auxiliary/gather/natpmp_external_address.rb
index 59e7720cf8..8adc4677cb 100644
--- a/modules/auxiliary/gather/natpmp_external_address.rb
+++ b/modules/auxiliary/gather/natpmp_external_address.rb
@@ -70,7 +70,7 @@ class Metasploit3 < Msf::Auxiliary
     )
 
     # also report its external address as alive
-    if inside_workspace_boundary(external_address)
+    if inside_workspace_boundary?(external_address)
       report_host(
         :host   => external_address,
         :state => Msf::HostState::Alive
diff --git a/modules/auxiliary/scanner/natpmp/natpmp_portscan.rb b/modules/auxiliary/scanner/natpmp/natpmp_portscan.rb
index fdba44374e..b472ed1538 100644
--- a/modules/auxiliary/scanner/natpmp/natpmp_portscan.rb
+++ b/modules/auxiliary/scanner/natpmp/natpmp_portscan.rb
@@ -102,7 +102,7 @@ class Metasploit3 < Msf::Auxiliary
       print_status("#{external_addr} - #{int}/#{protocol} #{state} because of code #{result} response") if (datastore['DEBUG'])
     end
 
-    if inside_workspace_boundary(external_addr)
+    if inside_workspace_boundary?(external_addr)
       report_service(
         :host   => external_addr,
         :port   => int,