diff --git a/cmake/Modules/DefineInstallationPaths.cmake b/cmake/Modules/DefineInstallationPaths.cmake
index 569a1d2..502414a 100644
--- a/cmake/Modules/DefineInstallationPaths.cmake
+++ b/cmake/Modules/DefineInstallationPaths.cmake
@@ -59,7 +59,7 @@ if (UNIX)
     FORCE
   )
   SET(HTML_INSTALL_DIR
-    "${DATA_INSTALL_PREFIX}/doc/HTML"
+    "${DATA_INSTALL_PREFIX}/${_PROJECT_NAME}/doc/HTML"
     CACHE PATH "The HTML install dir for documentation (default data/doc/html)"
     FORCE
   )