diff --git a/doomsday/engine/portable/src/dd_main.c b/doomsday/engine/portable/src/dd_main.c
index 5945849c6c..edd57dd26a 100644
--- a/doomsday/engine/portable/src/dd_main.c
+++ b/doomsday/engine/portable/src/dd_main.c
@@ -742,8 +742,8 @@ static void HandleArgs(int state)
         {
             for(p = 0; p < Argc(); p++)
             {
-                if((order == 1 && ArgRecognize("-file", Argv(p))) ||
-                   (order == 0 && ArgRecognize("-iwad", Argv(p))))
+                if((order == 1 && !ArgRecognize("-file", Argv(p))) ||
+                   (order == 0 && !ArgRecognize("-iwad", Argv(p))))
                     continue;
 
                 while(++p != Argc() && !ArgIsOption(p))
diff --git a/doomsday/engine/portable/src/def_main.c b/doomsday/engine/portable/src/def_main.c
index 0d51371d61..6be438d609 100644
--- a/doomsday/engine/portable/src/def_main.c
+++ b/doomsday/engine/portable/src/def_main.c
@@ -162,13 +162,15 @@ void Def_Init(void)
     {
         const char*         arg = Argv(p);
 
-        if(ArgRecognize("-def", arg) && ArgRecognize("-defs", arg))
+        if(!ArgRecognize("-def", arg) && !ArgRecognize("-defs", arg))
             continue;
 
         while(c < MAX_READ && ++p != Argc() && !ArgIsOption(p))
         {
             // Add it to the list.
             dedFiles[c++] = Argv(p);
+            
+            Con_Message("Def_Init: Added '%s' to dedFiles.\n", Argv(p));
         }
 
         p--;/* For ArgIsOption(p) necessary, for p==Argc() harmless */