diff --git a/src/drivers/Qt/TasEditor/TasEditorWindow.cpp b/src/drivers/Qt/TasEditor/TasEditorWindow.cpp
index 2e4303db..b656aaaf 100644
--- a/src/drivers/Qt/TasEditor/TasEditorWindow.cpp
+++ b/src/drivers/Qt/TasEditor/TasEditorWindow.cpp
@@ -7229,7 +7229,8 @@ void TasFindNoteWindow::findNextClicked(void)
 	{
 		return;
 	}
-	strncpy( markersManager->findNoteString, searchPattern->text().toStdString().c_str(), MAX_NOTE_LEN );
+	strncpy( markersManager->findNoteString, searchPattern->text().toStdString().c_str(), MAX_NOTE_LEN-1 );
+	markersManager->findNoteString[MAX_NOTE_LEN-1] = 0;
 
 	// scan frames from current Selection to the border
 	int cur_marker = 0;
diff --git a/src/drivers/Qt/TasEditor/markers_manager.cpp b/src/drivers/Qt/TasEditor/markers_manager.cpp
index 69a8a1b2..04b83e07 100644
--- a/src/drivers/Qt/TasEditor/markers_manager.cpp
+++ b/src/drivers/Qt/TasEditor/markers_manager.cpp
@@ -390,7 +390,7 @@ void MARKERS_MANAGER::updateEditedMarkerNote()
 		{
 			len = MAX_NOTE_LEN-1;
 		}
-		strncpy( new_text, tasWin->upperMarkerNote->text().toStdString().c_str(), MAX_NOTE_LEN );
+		strncpy( new_text, tasWin->upperMarkerNote->text().toStdString().c_str(), MAX_NOTE_LEN-1 );
 		new_text[len] = 0;
 		// check changes
 		if (strcmp(getNoteCopy(playback->displayedMarkerNumber).c_str(), new_text))
@@ -416,7 +416,7 @@ void MARKERS_MANAGER::updateEditedMarkerNote()
 		{
 			len = MAX_NOTE_LEN-1;
 		}
-		strncpy( new_text, tasWin->lowerMarkerNote->text().toStdString().c_str(), MAX_NOTE_LEN );
+		strncpy( new_text, tasWin->lowerMarkerNote->text().toStdString().c_str(), MAX_NOTE_LEN-1 );
 		new_text[len] = 0;
 
 		// check changes
diff --git a/src/palette.cpp b/src/palette.cpp
index 102f91ba..35280df1 100644
--- a/src/palette.cpp
+++ b/src/palette.cpp
@@ -177,7 +177,7 @@ int bisqwit_wave(int p, int color) { return (color+p+8)%12 < 6; }
 static void ApplyDeemphasisBisqwit(int entry, u8& r, u8& g, u8& b)
 {
 	if(entry<64) return;
-	int myr, myg, myb;
+	int myr=0, myg=0, myb=0;
 	// The input value is a NES color index (with de-emphasis bits).
 	// We need RGB values. Convert the index into RGB.
 	// For most part, this process is described at: