diff --git a/Source/UI/CandidateUI/ctlCandidateHorizontal.swift b/Source/UI/CandidateUI/ctlCandidateHorizontal.swift
index b46869a8..fa19f9a7 100644
--- a/Source/UI/CandidateUI/ctlCandidateHorizontal.swift
+++ b/Source/UI/CandidateUI/ctlCandidateHorizontal.swift
@@ -112,7 +112,7 @@ private class HorizontalCandidateView: NSView {
     keyLabelWidth = ceil(labelFontSize)
     keyLabelHeight = ceil(labelFontSize * 2)
     candidateTextHeight = ceil(candidateFontSize * 1.20)
-    cellPadding = ceil(biggestSize / 2.0)
+    cellPadding = ceil(biggestSize / 4.0) * 2
   }
 
   override func draw(_: NSRect) {
diff --git a/Source/UI/CandidateUI/ctlCandidateVertical.swift b/Source/UI/CandidateUI/ctlCandidateVertical.swift
index 9477b5db..12eed454 100644
--- a/Source/UI/CandidateUI/ctlCandidateVertical.swift
+++ b/Source/UI/CandidateUI/ctlCandidateVertical.swift
@@ -119,7 +119,7 @@ private class VerticalCandidateView: NSView {
     keyLabelWidth = ceil(labelFontSize)
     keyLabelHeight = ceil(labelFontSize * 2)
     candidateTextHeight = ceil(candidateFontSize * 1.20)
-    cellPadding = ceil(biggestSize / 2.0)
+    cellPadding = ceil(biggestSize / 4.0) * 2
   }
 
   override func draw(_: NSRect) {