diff --git a/backend_qt/qzint.cpp b/backend_qt/qzint.cpp
index 1752306b..fe21155e 100644
--- a/backend_qt/qzint.cpp
+++ b/backend_qt/qzint.cpp
@@ -798,10 +798,10 @@ namespace Zint {
     }
 
     /* Legacy property getters/setters */
-    void QZint::setWidth(int width) { setOption1(width); }
-    int QZint::width() const { return m_option_1; }
-    void QZint::setSecurityLevel(int securityLevel) { setOption2(securityLevel); }
-    int QZint::securityLevel() const { return m_option_2; }
+    void QZint::setWidth(int width) { setOption2(width); }
+    int QZint::width() const { return m_option_2; }
+    void QZint::setSecurityLevel(int securityLevel) { setOption1(securityLevel); }
+    int QZint::securityLevel() const { return m_option_1; }
     void QZint::setPdf417CodeWords(int /*pdf417CodeWords*/) {}
     int QZint::pdf417CodeWords() const { return 0; }
     void QZint::setHideText(bool hide) { setShowText(!hide); }
diff --git a/backend_qt/qzint.h b/backend_qt/qzint.h
index 20e4f0d8..9ef6c3ea 100644
--- a/backend_qt/qzint.h
+++ b/backend_qt/qzint.h
@@ -238,9 +238,9 @@ public:
 
 
     /* Legacy property getters/setters */
-    void setWidth(int width); /* `symbol->option_1` */
+    void setWidth(int width); /* `symbol->option_2` */
     int width() const;
-    void setSecurityLevel(int securityLevel); /* `symbol->option_2` */
+    void setSecurityLevel(int securityLevel); /* `symbol->option_1` */
     int securityLevel() const;
     void setPdf417CodeWords(int pdf417CodeWords); /* No-op */
     int pdf417CodeWords() const;
diff --git a/backend_qt/tests/test_qzint.cpp b/backend_qt/tests/test_qzint.cpp
index 25b5825b..12bc917d 100644
--- a/backend_qt/tests/test_qzint.cpp
+++ b/backend_qt/tests/test_qzint.cpp
@@ -338,12 +338,12 @@ private slots:
         int width = 12;
         bc.setWidth(width);
         QCOMPARE(bc.width(), width);
-        QCOMPARE(bc.option1(), width);
+        QCOMPARE(bc.option2(), width);
 
         int securityLevel = 2;
         bc.setSecurityLevel(securityLevel);
         QCOMPARE(bc.securityLevel(), securityLevel);
-        QCOMPARE(bc.option2(), securityLevel);
+        QCOMPARE(bc.option1(), securityLevel);
 
         int pdf417CodeWords = 123;
         bc.setPdf417CodeWords(pdf417CodeWords);