diff --git a/packaging/CMakeLists.txt b/packaging/CMakeLists.txt
index e87a7075fa..bae3647c0b 100644
--- a/packaging/CMakeLists.txt
+++ b/packaging/CMakeLists.txt
@@ -1,5 +1,5 @@
 install ( EXPORT ${PACKAGE_NAME}-targets
-  NAMESPACE ${PACKAGE_NAME}::
+  NAMESPACE ${PROJECT_NAME}::
   DESTINATION "${EXPORT_INSTALL_DIR}" )
 
 include ( CMakePackageConfigHelpers ) # Standard CMake module
@@ -54,4 +54,4 @@ install(FILES
 if(MSVC_IDE)
    INCLUDE_DIRECTORIES("src")
    SET(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fpp")
-endif()
\ No newline at end of file
+endif()