diff -up ./CMakeLists.txt.orig ./CMakeLists.txt
--- ./CMakeLists.txt.orig	2018-03-11 16:29:13.000000000 +0100
+++ ./CMakeLists.txt	2018-03-19 17:26:49.350546928 +0100
@@ -7,7 +7,7 @@ add_definitions(-DORGNAME=\"Florian_Hack
 add_definitions(-DAPPVERSION=\"${KTIKZ_VERSION}\")
 add_definitions(-DKTIKZ_USE_DESKTOP_ICONS)
 add_definitions(-DKTIKZ_USE_KDE)
-add_definitions(-DKTIKZ_TIKZ_DOCUMENTATION_DEFAULT=\"/usr/share/doc/texmf/pgf/pgfmanual.pdf.gz\")
+add_definitions(-DKTIKZ_TIKZ_DOCUMENTATION_DEFAULT=\"/usr/share/texlive/texmf-dist/doc/generic/pgf/pgfmanual.pdf\")
 
 find_package(ECM 1.1.0 REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR})
diff -up ./qmake/qtikzconfig.pri.orig ./qmake/qtikzconfig.pri
--- ./qmake/qtikzconfig.pri.orig	2018-03-11 16:29:13.000000000 +0100
+++ ./qmake/qtikzconfig.pri	2018-03-19 17:26:49.351546935 +0100
@@ -53,4 +53,4 @@ CONFIG += release
 #QCOLLECTIONGENERATORCOMMAND = qcollectiongenerator
 
 # TikZ documentation default file path:
-TIKZ_DOCUMENTATION_DEFAULT = "/usr/share/doc/texmf/pgf/pgfmanual.pdf.gz"
+TIKZ_DOCUMENTATION_DEFAULT = "/usr/share/texlive/texmf-dist/doc/generic/pgf/pgfmanual.pdf"