diff --git a/CMakeLists.txt b/CMakeLists.txt
index ef1501f..6151565 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,41 +1,41 @@
 cmake_minimum_required (VERSION 3.0)
 
 project (kdegames)
 
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
 
 find_package(KDE1 REQUIRED)
 
 add_definitions(-DHAVE_CONFIG_H)
 
 include_directories(common)
 
 include(CMakePackageConfigHelpers)
 include(KDE1Macros)
 include(KDE1InstallDirs)
 
 if (CMAKE_COMPILER_IS_GNUCXX)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-write-strings")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive -std=c++98")
     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined")
 endif()
 
 #add_subdirectory(bsd-port)
 add_subdirectory(kabalone)
 add_subdirectory(kasteroids) # need kdesupport-1.1.2 for that (QwSpriteField.h)
 add_subdirectory(kblackbox)
 #add_subdirectory(kenolaba) # Apparently this is the old name for kabalone
 add_subdirectory(kmahjongg)
 add_subdirectory(kmines)
 add_subdirectory(konquest)
 add_subdirectory(kpat)
 add_subdirectory(kpoker)
 #add_subdirectory(kreversi)
 add_subdirectory(ksame)
 add_subdirectory(kshisen)
-#add_subdirectory(ksirtet)
+add_subdirectory(ksirtet)
 add_subdirectory(ksnake)
 add_subdirectory(ksmiletris)
 
 add_subdirectory(po)
diff --git a/ksirtet/CMakeLists.txt b/ksirtet/CMakeLists.txt
new file mode 100644
index 0000000..c209e2c
--- /dev/null
+++ b/ksirtet/CMakeLists.txt
@@ -0,0 +1,36 @@
+include_directories (
+    ${QT_INCLUDE_DIR}
+    ${KDE1_INCLUDE_DIR}
+)
+
+set(Ksirtet_SRCS
+    gtetris.cpp tpiece.cpp spiece.cpp gtboard.cpp board.cpp
+    net.cpp dialogs.cpp field.cpp main.cpp dbutton.cpp
+)
+
+set(Ksirtet_MOC
+    spiece.moc board.moc dialogs.moc field.moc main.moc
+)
+
+QT1_WRAP_MOC(MOC_FILES ${Ksirtet_MOC})
+
+add_executable(ksirtet ${Ksirtet_SRCS} ${MOC_FILES} ${QwSpriteField_SOURCES})
+target_link_libraries(ksirtet
+    ${QT_LIBRARIES}
+    ${X11_LIBRARIES}
+    ${KDE1_KDECORE}
+    ${KDE1_KDEUI}
+)
+
+install(TARGETS ksirtet RUNTIME DESTINATION ${KDE1_BINDIR})
+install(FILES data/ksirtet.kdelnk DESTINATION ${KDE1_APPSDIR}/Games)
+install_icon(data/ksirtet.xpm)
+
+install(FILES
+    data/index.html
+    data/index-1.html
+    data/index-2.html
+    data/index-3.html
+    data/index-4.html
+    data/logotp3.gif
+    DESTINATION ${KDE1_HTMLDIR}/en/ksirtet )