diff --git a/toonz/sources/tnztools/hooktool.cpp b/toonz/sources/tnztools/hooktool.cpp
index 4d98c8c..dbcec8a 100644
--- a/toonz/sources/tnztools/hooktool.cpp
+++ b/toonz/sources/tnztools/hooktool.cpp
@@ -337,9 +337,9 @@ void HookTool::draw() {
     TPixel32 balloonColor(200, 220, 205, 200);
     TPoint balloonOffset(20, 20);
     std::string hookName = std::to_string(i + 1);
-    drawBalloon(p0, hookName, balloonColor, balloonOffset, false, &balloons);
+    drawBalloon(p0, hookName, balloonColor, balloonOffset, getPixelSize(), false, &balloons);
     if (!linked)
-      drawBalloon(p1, hookName, balloonColor, balloonOffset, false, &balloons);
+      drawBalloon(p1, hookName, balloonColor, balloonOffset, getPixelSize(), false, &balloons);
   }
   // draw snapped hook balloon
   if (m_snappedReason != "") {
@@ -361,7 +361,7 @@ void HookTool::draw() {
       glDisable(GL_LINE_STIPPLE);
     }
     drawBalloon(pos, m_snappedReason, TPixel32(200, 250, 180, 200),
-                TPoint(20, 20), false, &balloons);
+                TPoint(20, 20), getPixelSize(), false, &balloons);
   }
 }