diff --git a/src/p_maputl.cpp b/src/p_maputl.cpp
index e639c440e..603a0897f 100644
--- a/src/p_maputl.cpp
+++ b/src/p_maputl.cpp
@@ -955,7 +955,7 @@ 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());
@@ -1294,9 +1294,9 @@ 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 d666bc3e9..d468d52a9 100644
--- a/src/p_sight.cpp
+++ b/src/p_sight.cpp
@@ -736,7 +736,7 @@ 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