diff --git a/engines/saga2/gtextbox.cpp b/engines/saga2/gtextbox.cpp
index aeb39db2089..a5cdcf6202c 100644
--- a/engines/saga2/gtextbox.cpp
+++ b/engines/saga2/gtextbox.cpp
@@ -181,7 +181,7 @@ gTextBox::gTextBox(
 	flags                   = flg;
 	currentLen[index]     = buffer ? strlen(buffer) : 0;
 	cursorPos               = anchorPos = scrollPixels = 0;
-	undoBuffer              = (char *)malloc(sizeof(char) * (maxLen + 1));
+	undoBuffer              = new char[maxLen + 1]();
 	textFont                = font;
 	fontHeight              = height;
 	fontOffset              = fontHeight + 2;
@@ -233,7 +233,7 @@ gTextBox::~gTextBox() {
 	deSelect();
 	selected = 0;
 	if (undoBuffer) {
-		delete undoBuffer;
+		delete[] undoBuffer;
 	}
 }
 
diff --git a/engines/saga2/uidialog.cpp b/engines/saga2/uidialog.cpp
index ac13972d009..7b735d79904 100644
--- a/engines/saga2/uidialog.cpp
+++ b/engines/saga2/uidialog.cpp
@@ -593,11 +593,12 @@ void destroyFileFields(char **strings) {
 	uint16  i;
 
 	for (i = 0; i < numEditLines; i++) {
-		if (strings[i]) delete strings[i];
-		strings[i] = NULL;
+		if (strings[i])
+			delete[] strings[i];
+		strings[i] = nullptr;
 	}
 
-	delete strings;
+	delete[] strings;
 }
 
 bool getSaveName(int8 saveNo, SaveFileHeader &header) {
diff --git a/engines/saga2/vwdraw.cpp b/engines/saga2/vwdraw.cpp
index d6eacdc34ea..a046179086b 100644
--- a/engines/saga2/vwdraw.cpp
+++ b/engines/saga2/vwdraw.cpp
@@ -66,7 +66,8 @@ void gDisplayPort::bltPixels(
 	                sect;
 	uint8           *src_line;
 
-	clip = Rect16(0, 0, map->size.x, map->size.y);
+	if (clip.empty())
+		clip = Rect16(0, 0, map->size.x, map->size.y);
 	sect = intersect(clip, r);
 
 	if (!sect.empty()) {                        // if result is non-empty