diff --git a/README.md b/README.md
index 89a8035..236650d 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ sudo apt install libpam0g-dev libx11-dev -y
 ```shell
 mkdir build
 cd build
-cmake ..
+cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr ..
 make
 ```
 
diff --git a/checkpass/CMakeLists.txt b/checkpass/CMakeLists.txt
index 7dbcb75..1c612ab 100644
--- a/checkpass/CMakeLists.txt
+++ b/checkpass/CMakeLists.txt
@@ -26,8 +26,8 @@ else()
     message(STATUS "PAM not found, will install a SUID-kcheckpass")
 endif()
 install(TARGETS ccheckpass
-    DESTINATION /usr/bin
+    DESTINATION ${CMAKE_INSTALL_BINDIR}
     PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE ${checkpass_suid}
     )
 
-#EXTRA_DIST = README
\ No newline at end of file
+#EXTRA_DIST = README
diff --git a/screenlocker/CMakeLists.txt b/screenlocker/CMakeLists.txt
index 158105b..2b8e62d 100644
--- a/screenlocker/CMakeLists.txt
+++ b/screenlocker/CMakeLists.txt
@@ -26,4 +26,4 @@ target_link_libraries(cutefish-screenlocker
     ${X11_LIBRARIES}
 )
 
-install(TARGETS cutefish-screenlocker RUNTIME DESTINATION /usr/bin)
+install(TARGETS cutefish-screenlocker RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})