diff --git a/doc/orgmode/CMakeLists.txt b/doc/orgmode/CMakeLists.txt
index ef57bba41185d0c30ed75b71b05052a3902747dc..d189a3a493de0009f4162519d2705540919a29b3 100644
--- a/doc/orgmode/CMakeLists.txt
+++ b/doc/orgmode/CMakeLists.txt
@@ -58,6 +58,7 @@ endforeach()
 # Looking for emacs
 # -----------------
 FIND_PROGRAM(EMACS_COMPILER emacs)
+FIND_PROGRAM(TEX_COMPILER tex)
 
 if(EMACS_COMPILER)
     # Add target