diff --git a/src/p_maputl.cpp b/src/p_maputl.cpp
index c4fe47f31..053f44c13 100644
--- a/src/p_maputl.cpp
+++ b/src/p_maputl.cpp
@@ -954,7 +954,7 @@ DEFINE_ACTION_FUNCTION(DBlockLinesIterator, CreateFromPos)
 	ACTION_RETURN_OBJECT(new DBlockLinesIterator(x, y, z, h, radius, sec));
 }
 
-DEFINE_ACTION_FUNCTION(DBlockThingsIterator, Next)
+DEFINE_ACTION_FUNCTION(DBlockLinesIterator, Next)
 {
 	PARAM_SELF_PROLOGUE(DBlockLinesIterator);
 	ACTION_RETURN_BOOL(self->Next());
@@ -1293,9 +1293,9 @@ DEFINE_ACTION_FUNCTION(DBlockThingsIterator, CreateFromPos)
 	ACTION_RETURN_OBJECT(new DBlockThingsIterator(x, y, z, h, radius, ignore, nullptr));
 }
 
-DEFINE_ACTION_FUNCTION(DBlockLinesIterator, Next)
+DEFINE_ACTION_FUNCTION(DBlockThingsIterator, Next)
 {
-	PARAM_SELF_PROLOGUE(DBlockLinesIterator);
+	PARAM_SELF_PROLOGUE(DBlockThingsIterator);
 	ACTION_RETURN_BOOL(self->Next());
 }
 
diff --git a/src/p_sight.cpp b/src/p_sight.cpp
index 68bf2ed3d..92cd52b95 100644
--- a/src/p_sight.cpp
+++ b/src/p_sight.cpp
@@ -735,7 +735,7 @@ bool SightCheck::P_SightPathTraverse ()
 // step through map blocks
 // Count is present to prevent a round off error from skipping the break
 
-	int itres;
+	int itres = -1;
 	for (count = 0 ; count < 1000 ; count++)
 	{
 		// end traversing when reaching the end of the blockmap