diff --git a/slides/kernel-driver-development-sleeping/kernel-driver-development-sleeping.tex b/slides/kernel-driver-development-sleeping/kernel-driver-development-sleeping.tex
index d9ddbb4016..6e56538440 100644
--- a/slides/kernel-driver-development-sleeping/kernel-driver-development-sleeping.tex
+++ b/slides/kernel-driver-development-sleeping/kernel-driver-development-sleeping.tex
@@ -248,7 +248,7 @@ \subsection{Sleeping}
     \end{itemize}
   \item Specific polling I/O accessors may be used:
     \begin{itemize}
-    \item Exhaustive list in \kfile{include/iopoll.h}
+    \item Exhaustive list in \kfile{include/linux/iopoll.h}
       \begin{minted}{c}
 int read[bwlq]_poll[_timeout[_atomic]](addr, val, cond,
                                        delay_us, timeout_us)