diff --git a/beamertheme-source/pdfpcnotes.dtx b/beamertheme-source/pdfpcnotes.dtx
index 04eb9ce854271316a130444caaab3f8bca70d34e..ab96e32d3b5bb3646d31fdda7959facb851197ca 100644
--- a/beamertheme-source/pdfpcnotes.dtx
+++ b/beamertheme-source/pdfpcnotes.dtx
@@ -92,7 +92,11 @@
 		\let\lastframenumber\theframenumber
 		\begingroup
 			\let\#\hashchar
-			\immediate\write\pdfpcnotesfile{\#\#\# \theframenumber}%
+			% pdfpc counts the title page as slide 1
+			% thus all note numbers are off by one
+			\newcount\pdfpcframenumber
+			\pdfpcframenumber=\numexpr\theframenumber + 1\relax
+			\immediate\write\pdfpcnotesfile{\#\#\# \the\pdfpcframenumber}%
 		\endgroup
 	\fi