diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3bc0d6f5..79b6417b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,7 @@ endif(NOT REVISION)
 
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-set(CMAKE_INSTALL_PREFIX "/")
+set(CMAKE_INSTALL_PREFIX "")
 include(GNUInstallDirs)
 include(CheckFunctionExists)
 include(CheckCXXSourceRuns)