diff --git a/engines/trecision/3d.cpp b/engines/trecision/3d.cpp
index 4acf1674b2a..99f458e6d01 100644
--- a/engines/trecision/3d.cpp
+++ b/engines/trecision/3d.cpp
@@ -1857,7 +1857,6 @@ void PathFinding3D::buildFramelist() {
 	// compute offset
 	SVertex *v = _vm->_actor->_characterArea;
 	float firstFrame = _vm->_actor->frameCenter(v);
-	float startPos = 0.0;
 
 	// if he was already walking
 	int curAction, curFrame, cfp;
@@ -2000,7 +1999,7 @@ void PathFinding3D::buildFramelist() {
 	b = 0;
 
 	len = 0.0;
-	startPos = 0.0;
+	float startPos = 0.0;
 	for (a = 0; a < _numPathNodes - 1; a++) {
 		curLen = 0.0;
 		len += _vm->dist3D(_pathNode[a]._x, 0.0, _pathNode[a]._z,
diff --git a/engines/trecision/fastfile.cpp b/engines/trecision/fastfile.cpp
index 1d8f062e0be..eddfa7257b3 100644
--- a/engines/trecision/fastfile.cpp
+++ b/engines/trecision/fastfile.cpp
@@ -88,7 +88,7 @@ bool FastFile::hasFile(const Common::String &name) const {
 
 int FastFile::listMembers(Common::ArchiveMemberList &list) const {
 	list.clear();
-	for (Common::Array<FileEntry>::const_iterator i = _fileEntries.begin(); i != _fileEntries.end(); i++)
+	for (Common::Array<FileEntry>::const_iterator i = _fileEntries.begin(); i != _fileEntries.end(); ++i)
 		list.push_back(getMember(i->name));
 
 	return list.size();
diff --git a/engines/trecision/video.cpp b/engines/trecision/video.cpp
index c10745b0323..807ea9f17f2 100644
--- a/engines/trecision/video.cpp
+++ b/engines/trecision/video.cpp
@@ -62,7 +62,7 @@ void NightlongSmackerDecoder::muteTrack(uint track, bool mute) {
 }
 
 void NightlongSmackerDecoder::setMute(bool mute) {
-	for (TrackList::iterator it = getTrackListBegin(); it != getTrackListEnd(); it++) {
+	for (TrackList::iterator it = getTrackListBegin(); it != getTrackListEnd(); ++it) {
 		if ((*it)->getTrackType() == Track::kTrackTypeAudio)
 			((AudioTrack *)*it)->setMute(mute);
 	}