diff --git a/buildout/profiles/development-2.12.cfg b/buildout/profiles/development-2.12.cfg
index 4deda9b7f1008a508bc7e2d21298a106a07910f6..533dd0f29d0e41ff08a42b24063e2381b582ec8d 100644
--- a/buildout/profiles/development-2.12.cfg
+++ b/buildout/profiles/development-2.12.cfg
@@ -14,7 +14,7 @@ development_site_products =
   ${software_definition:products-erp5-development}
   ${software_definition:products-deps}
 
-development_site_instancehome = ${buildout:var-directory}/development-site
+development_site_instancehome = ${buildout:parts-directory}/development-site
 
 [software_definition]
 software_home = ${buildout:directory}
diff --git a/buildout/profiles/development.cfg b/buildout/profiles/development.cfg
index cd4d57542872a83affea2c2294190dd4c839fbbe..d07c48a39d7dcf99e14d25d87028040e99393b41 100644
--- a/buildout/profiles/development.cfg
+++ b/buildout/profiles/development.cfg
@@ -17,7 +17,7 @@ development_site_products =
   ${software_definition:products-other}
   ${software_definition:products-cmf15}
 
-development_site_instancehome = ${buildout:var-directory}/development-site
+development_site_instancehome = ${buildout:parts-directory}/development-site
 
 [runUnitTest]
 <= test-runner-template