diff --git a/calpage.sty b/calpage.sty
index 430f40b..1de14a3 100644
--- a/calpage.sty
+++ b/calpage.sty
@@ -62,7 +62,7 @@
         \pgfmathsetlength{\pgf@xa}{\tikz@lib@cal@xshift}
         \pgf@xb=\tikz@lib@cal@width\pgf@xa
         \advance\pgf@xb by-\pgf@xa
-        \pgf@xb=.49\pgf@xb
+        \pgf@xb=.48\pgf@xb
         \pgftransformxshift{\pgf@xb}
         \pgftransformxshift{-\cellwidth/2}
         \pgfmathsetlength{\pgf@y}{\tikz@lib@cal@yshift}