diff --git a/pglab/CodeEditor.cpp b/pglab/CodeEditor.cpp
index 64a1df8..02d1c4e 100644
--- a/pglab/CodeEditor.cpp
+++ b/pglab/CodeEditor.cpp
@@ -19,6 +19,8 @@ CodeEditor::CodeEditor(QWidget *parent)
 	connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(highlightCurrentLine()));
 	connect(this, SIGNAL(textChanged()), this, SLOT(onTextChanged()));
 
+	setWordWrapMode(QTextOption::NoWrap);
+
 	updateGutterAreaWidth(0);
 	highlightCurrentLine();
 }
diff --git a/pglab/SqlCodePreview.cpp b/pglab/SqlCodePreview.cpp
index 3a65be1..c7eb62a 100644
--- a/pglab/SqlCodePreview.cpp
+++ b/pglab/SqlCodePreview.cpp
@@ -8,6 +8,7 @@ SqlCodePreview::SqlCodePreview(QWidget *parent)
 	auto&& config = UserConfiguration::instance();
 	setFont(config->codeFont());
 	setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
+	setWordWrapMode(QTextOption::NoWrap);
 	m_highlighter = new SqlSyntaxHighlighter(document());
 }