diff --git a/lang/python/python/files/python-package.mk b/lang/python/python/files/python-package.mk
index e9ec85c6f..0805fc9c2 100644
--- a/lang/python/python/files/python-package.mk
+++ b/lang/python/python/files/python-package.mk
@@ -61,6 +61,7 @@ define PyPackage
     endef
   endif
 
+  ifndef Package/$(1)/install
   $(call shexport,PyPackage/$(1)/filespec)
 
   define Package/$(1)/install
@@ -85,6 +86,7 @@ define PyPackage
   define Package/$(1)-src/install
 	$$(call Package/$(1)/install,$$(1),sources)
   endef
+  endif # Package/$(1)/install
 endef
 
 $(call include_mk, python-host.mk)
diff --git a/lang/python/python3/files/python3-package.mk b/lang/python/python3/files/python3-package.mk
index a28689aba..36a030c02 100644
--- a/lang/python/python3/files/python3-package.mk
+++ b/lang/python/python3/files/python3-package.mk
@@ -61,6 +61,7 @@ define Py3Package
     endef
   endif
 
+  ifndef Package/$(1)/install
   $(call shexport,Py3Package/$(1)/filespec)
 
   define Package/$(1)/install
@@ -85,6 +86,7 @@ define Py3Package
   define Package/$(1)-src/install
 	$$(call Package/$(1)/install,$$(1),sources)
   endef
+  endif # Package/$(1)/install
 endef
 
 $(call include_mk, python3-host.mk)