1 files changed, 2 insertions, 1 deletions
diff --git a/src/cmd/mk/env.c b/src/cmd/mk/env.c
index d7c6481d..e01aa21a 100644
--- a/src/cmd/mk/env.c
+++ b/src/cmd/mk/env.c
@@ -123,7 +123,8 @@ buildenv(Job *j, int slot)
 			qp = strchr(cp+1, ')');
 			if(qp){
 				*qp = 0;
-				strcpy(w->s, cp+1);
+				/* strcpy, but might overlap */
+				memmove(w->s, cp+1, strlen(cp+1)+1);
 				l = &w->next;
 				w = w->next;
 				continue;