diff --git a/src/skeletondocument.cpp b/src/skeletondocument.cpp
index 56221e87..544cf7ec 100644
--- a/src/skeletondocument.cpp
+++ b/src/skeletondocument.cpp
@@ -343,7 +343,7 @@ void SkeletonDocument::scaleNodeByAddRadius(QUuid nodeId, float amount)
     }
     if (isPartReadonly(it->second.partId))
         return;
-    it->second.radius += amount;
+    it->second.setRadius(it->second.radius + amount);
     emit nodeRadiusChanged(nodeId);
     emit skeletonChanged();
 }
@@ -399,7 +399,7 @@ void SkeletonDocument::setNodeRadius(QUuid nodeId, float radius)
     }
     if (isPartReadonly(it->second.partId))
         return;
-    it->second.radius = radius;
+    it->second.setRadius(radius);
     emit nodeRadiusChanged(nodeId);
     emit skeletonChanged();
 }
diff --git a/src/skeletondocument.h b/src/skeletondocument.h
index f87e6f8c..0b0b331c 100644
--- a/src/skeletondocument.h
+++ b/src/skeletondocument.h
@@ -33,6 +33,14 @@ public:
     {
         id = withId.isNull() ? QUuid::createUuid() : withId;
     }
+    void setRadius(float toRadius)
+    {
+        if (toRadius < 0.01)
+            toRadius = 0.01;
+        else if (toRadius > 1)
+            toRadius = 1;
+        radius = toRadius;
+    }
     QUuid id;
     QUuid partId;
     QString name;
diff --git a/src/skeletongraphicswidget.cpp b/src/skeletongraphicswidget.cpp
index fa21596a..83481928 100644
--- a/src/skeletongraphicswidget.cpp
+++ b/src/skeletongraphicswidget.cpp
@@ -307,6 +307,7 @@ bool SkeletonGraphicsWidget::mouseMove(QMouseEvent *event)
                 }
             }
             m_lastScenePos = mouseScenePos;
+            m_moveHappened = true;
             return true;
         }
     }
@@ -381,7 +382,8 @@ bool SkeletonGraphicsWidget::mouseRelease(QMouseEvent *event)
         }
         if (m_moveStarted) {
             m_moveStarted = false;
-            emit groupOperationAdded();
+            if (m_moveHappened)
+                emit groupOperationAdded();
         }
         if (m_rangeSelectionStarted) {
             m_selectionItem->hide();
@@ -477,9 +479,12 @@ bool SkeletonGraphicsWidget::mousePress(QMouseEvent *event)
                 }
                 if (!m_rangeSelectionSet.empty()) {
                     if (!QGuiApplication::queryKeyboardModifiers().testFlag(Qt::ControlModifier)) {
-                        m_moveStarted = true;
-                        m_lastScenePos = mouseEventScenePos(event);
-                        processed = true;
+                        if (!m_moveStarted) {
+                            m_moveStarted = true;
+                            m_lastScenePos = mouseEventScenePos(event);
+                            m_moveHappened = false;
+                            processed = true;
+                        }
                     }
                 }
                 if (processed) {
diff --git a/src/skeletongraphicswidget.h b/src/skeletongraphicswidget.h
index 21a07eba..7096e3ae 100644
--- a/src/skeletongraphicswidget.h
+++ b/src/skeletongraphicswidget.h
@@ -331,6 +331,7 @@ private:
     bool m_rangeSelectionStarted;
     std::set<QGraphicsItem *> m_rangeSelectionSet;
     bool m_mouseEventFromSelf;
+    bool m_moveHappened;
 };
 
 class SkeletonGraphicsContainerWidget : public QWidget