diff --git a/src/libbson/CMakeLists.txt b/src/libbson/CMakeLists.txt
index 47bb0bd72f..ea76b75425 100644
--- a/src/libbson/CMakeLists.txt
+++ b/src/libbson/CMakeLists.txt
@@ -300,7 +300,7 @@ endif () # ENABLE_EXAMPLES
 
 # Infix directory for all libbson headers.
 if(NOT DEFINED BSON_INSTALL_INCLUDEDIR)
-   set(BSON_INSTALL_INCLUDEDIR "${CMAKE_INSTALL_INCLUDEDIR}/bson-${PROJECT_VERSION}")
+   set(BSON_INSTALL_INCLUDEDIR "${CMAKE_INSTALL_INCLUDEDIR}")
 endif()
 # Infix directory for all libbson CMake package files
 if(NOT DEFINED BSON_INSTALL_CMAKEDIR)