diff --git a/lang/python/files/python-host.mk b/lang/python/files/python-host.mk
index 080704bba..5b74d1006 100644
--- a/lang/python/files/python-host.mk
+++ b/lang/python/files/python-host.mk
@@ -5,6 +5,9 @@
 # See /LICENSE for more information.
 #
 
+# For HOST_BUILD_PREFIX
+include $(INCLUDE_DIR)/host-build.mk
+
 HOST_PYTHON_DIR:=$(HOST_BUILD_PREFIX)
 HOST_PYTHON_INC_DIR:=$(HOST_PYTHON_DIR)/include/python$(PYTHON_VERSION)
 HOST_PYTHON_LIB_DIR:=$(HOST_PYTHON_DIR)/lib/python$(PYTHON_VERSION)
diff --git a/lang/python3/files/python3-package.mk b/lang/python3/files/python3-package.mk
index d2697d9d4..3f8e24e5c 100644
--- a/lang/python3/files/python3-package.mk
+++ b/lang/python3/files/python3-package.mk
@@ -5,6 +5,9 @@
 # See /LICENSE for more information.
 #
 
+# For HOST_BUILD_PREFIX
+include $(INCLUDE_DIR)/host-build.mk
+
 PYTHON3_VERSION_MAJOR:=3
 PYTHON3_VERSION_MINOR:=5
 PYTHON3_VERSION_MICRO:=2