--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -31,7 +31,7 @@
 
 set(arpon_doc_src "${CMAKE_SOURCE_DIR}/doc/arpon")
 
-if(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+if(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
     install(DIRECTORY ${arpon_doc_src}
         DESTINATION /usr/share/doc
         FILE_PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
@@ -41,7 +41,7 @@
         DESTINATION ${CMAKE_INSTALL_PREFIX}/share/doc
         FILE_PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
         COMPONENT Doc)
-endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
 
 #
 # EOF
--- a/log/CMakeLists.txt
+++ b/log/CMakeLists.txt
@@ -31,7 +31,7 @@
 
 set(arpon_log_src "${CMAKE_SOURCE_DIR}/log/arpon.log")
 
-if(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+if(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
     install(FILES ${arpon_log_src}
         DESTINATION /var/log
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ
@@ -41,7 +41,7 @@
         DESTINATION ${CMAKE_INSTALL_PREFIX}/log
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ
         COMPONENT Log)
-endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
 
 #
 # EOF
--- a/etc/CMakeLists.txt
+++ b/etc/CMakeLists.txt
@@ -31,7 +31,7 @@
 
 set(arpon_etc_src "${CMAKE_SOURCE_DIR}/etc/arpon.conf")
 
-if(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+if(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
     install(FILES ${arpon_etc_src}
         DESTINATION /etc
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
@@ -41,7 +41,7 @@
         DESTINATION ${CMAKE_INSTALL_PREFIX}/etc
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
         COMPONENT Etc)
-endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
 
 #
 # EOF
--- a/run/CMakeLists.txt
+++ b/run/CMakeLists.txt
@@ -31,7 +31,7 @@
 
 set(arpon_run_src "${CMAKE_SOURCE_DIR}/run/arpon.pid")
 
-if(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+if(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
     install(FILES ${arpon_run_src}
         DESTINATION /var/run
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
@@ -41,7 +41,7 @@
         DESTINATION ${CMAKE_INSTALL_PREFIX}/run
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
         COMPONENT Run)
-endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
 
 #
 # EOF
--- a/man8/CMakeLists.txt
+++ b/man8/CMakeLists.txt
@@ -31,7 +31,7 @@
 
 set(arpon_man_src "${CMAKE_SOURCE_DIR}/man8/arpon.8")
 
-if(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+if(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
     set(ARPON_DOC_FILE
         "/usr/share/doc/arpon/index.html")
     set(ARPON_ETC_FILE
@@ -49,7 +49,7 @@
         "${CMAKE_INSTALL_PREFIX}/log/arpon.log")
     set(ARPON_PID_FILE
         "${CMAKE_INSTALL_PREFIX}/run/arpon.pid")
-endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
 
 file(READ ${arpon_man_src} FILE_CONTENT)
 string(REGEX REPLACE "ARPON_DOC" "${ARPON_DOC_FILE}"
@@ -65,7 +65,7 @@
     MODIFIED_FILE_CONTENT4 "${MODIFIED_FILE_CONTENT3}")
 file(WRITE ${PROJECT_BINARY_DIR}/man8/arpon.8 "${MODIFIED_FILE_CONTENT4}")
 
-if(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+if(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
     install(FILES
         ${PROJECT_BINARY_DIR}/man8/arpon.8 DESTINATION /usr/share/man/man8
         PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
@@ -76,7 +76,7 @@
         ${CMAKE_INSTALL_PREFIX}/share/man/man8
         PERMISSIONS OWNER_READ GROUP_READ WORLD_READ
         COMPONENT Man)
-endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
 
 #
 # EOF
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,13 +29,13 @@
 # $ArpON: CMakeLists.txt,v 3.0-ng 01/29/2016 03:07:40 spikey Exp $
 #
 
-if(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
-    set(ARPON_SBIN /sbin/arpon)
+if(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
+    set(ARPON_SBIN /usr/sbin/arpon)
     set(ARPON_DOC /usr/share/doc/arpon/index.html)
     set(ARPON_ETC /etc/arpon.conf)
     set(ARPON_LOG /var/log/arpon.log)
     set(ARPON_PID /var/run/arpon.pid)
-    set(install_prefix /sbin)
+    set(install_prefix /usr/sbin)
 else(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
     set(ARPON_SBIN ${CMAKE_INSTALL_PREFIX}/sbin/arpon)
     set(ARPON_DOC ${CMAKE_INSTALL_PREFIX}/share/doc/arpon/index.html)
@@ -43,7 +43,7 @@
     set(ARPON_LOG ${CMAKE_INSTALL_PREFIX}/log/arpon.log)
     set(ARPON_PID ${CMAKE_INSTALL_PREFIX}/run/arpon.pid)
     set(install_prefix ${CMAKE_INSTALL_PREFIX}/sbin)
-endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/")
+endif(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr")
 
 configure_file(
     "${PROJECT_SOURCE_DIR}/src/config.h.in"