diff --git a/ruamoko/game/GameEntity.r b/ruamoko/game/GameEntity.r
index 9fe698f45..b1923a5d9 100644
--- a/ruamoko/game/GameEntity.r
+++ b/ruamoko/game/GameEntity.r
@@ -15,7 +15,7 @@
 
 @implementation GameEntity
 
-- (BOOL) takeDamage: weapon : inflictor : attacker : damage
+- (BOOL) takeDamage: weapon :inflictor :attacker : (float)damage
 {
 	return NO;
 }
diff --git a/ruamoko/game/World.r b/ruamoko/game/World.r
index 150e95fff..eb2083842 100644
--- a/ruamoko/game/World.r
+++ b/ruamoko/game/World.r
@@ -64,7 +64,7 @@ integer	deathmatch;
 
 @implementation World
 
-- spawn: (entity)ent
+- (void) spawn: (entity)ent
 {
 	[self initWithEntity: ent];
 	bodyque = [[BodyQueue alloc] init];
diff --git a/ruamoko/lib/InputLine.r b/ruamoko/lib/InputLine.r
index ba94fbf0e..85d689499 100644
--- a/ruamoko/lib/InputLine.r
+++ b/ruamoko/lib/InputLine.r
@@ -49,9 +49,10 @@ string (inputline_t il) InputLine_GetText = #0;
 	InputLine_Draw (il);
 }
 
-- (void) setText: (string)text
+- (id) setText: (string)text
 {
 	InputLine_SetText (il, text);
+	return self;
 }
 
 - (string) text
diff --git a/ruamoko/lib/Point.r b/ruamoko/lib/Point.r
index 1818eda1c..0a43333af 100644
--- a/ruamoko/lib/Point.r
+++ b/ruamoko/lib/Point.r
@@ -33,12 +33,12 @@
 	return [myCopy initWithComponents: x : y];
 }
 
-- (id) x
+- (integer) x
 {
 	return x;
 }
 
-- (id) y
+- (integer) y
 {
 	return y;
 }
diff --git a/ruamoko/lib/Size.r b/ruamoko/lib/Size.r
index e76b26fef..e8d1da2f7 100644
--- a/ruamoko/lib/Size.r
+++ b/ruamoko/lib/Size.r
@@ -33,12 +33,12 @@
 	return [myCopy initWithComponents: width : height];
 }
 
-- (id) width
+- (integer) width
 {
 	return width;
 }
 
-- (id) height
+- (integer) height
 {
 	return height;
 }
diff --git a/tools/qfcc/source/class.c b/tools/qfcc/source/class.c
index 185f867c5..274d7a514 100644
--- a/tools/qfcc/source/class.c
+++ b/tools/qfcc/source/class.c
@@ -403,8 +403,11 @@ class_find_method (class_type_t *class_type, method_t *method)
 		class_name = class_type->c.class->name;
 	}
 	for (m = methods->head; m; m = m->next)
-		if (method_compare (method, m))
+		if (method_compare (method, m)) {
+			if (m->type != method->type)
+				error (0, "method type mismatch");
 			return m;
+		}
 	sel = dstring_newstr ();
 	selector_name (sel, (keywordarg_t *)method->selector);
 	warning (0, "%s method %s not in %s%s",