diff --git a/dpf b/dpf
index bc57421..ddd7a61 160000
--- a/dpf
+++ b/dpf
@@ -1 +1 @@
-Subproject commit bc57421bf76caab1581ded21d0b0aa66543c21bf
+Subproject commit ddd7a61da23e69ed1ee7f71a1b1cc3e1df8e8537
diff --git a/src/CardinalPlugin.cpp b/src/CardinalPlugin.cpp
index a8ff551..ab9448e 100644
--- a/src/CardinalPlugin.cpp
+++ b/src/CardinalPlugin.cpp
@@ -614,7 +614,7 @@ protected:
         }
 
        #ifndef HEADLESS
-        switch (index - kModuleParameters)
+        switch (index - kModuleParameters - 1)
         {
         case kWindowParameterShowTooltips:
             parameter.name = "Show tooltips";