Index: Mk/Uses/python.mk
===================================================================
--- Mk/Uses/python.mk
+++ Mk/Uses/python.mk
@@ -449,8 +449,8 @@
 .else
 UNIQUE_DEFAULT_LINKS=	no
 .endif
-UNIQUE_PREFIX=		${PYTHON_PKGNAMEPREFIX}
-UNIQUE_SUFFIX=		-${PYTHON_VER}
+UNIQUE_PREFIX?=		${PYTHON_PKGNAMEPREFIX}
+UNIQUE_SUFFIX?=		-${PYTHON_VER}
 
 .if defined(_PYTHON_FEATURE_AUTOPLIST)
 UNIQUE_FIND_SUFFIX_FILES=	\