diff --git a/biology/cufflinks/files/patch-src_locfit_c__plot.c b/biology/cufflinks/files/patch-src_locfit_c__plot.c
new file mode 100644
index 000000000000..f5b6f73deeff
--- /dev/null
+++ b/biology/cufflinks/files/patch-src_locfit_c__plot.c
@@ -0,0 +1,11 @@
+--- src/locfit/c_plot.c.orig	2020-08-28 18:21:05 UTC
++++ src/locfit/c_plot.c
+@@ -9,7 +9,7 @@ vari *growvar(vari* vold, int n);
+ 
+ plots *cpl, pl[MAXWIN];
+ extern device devps, devwin;
+-INT curwin;
++extern INT curwin;
+ char *psfn;
+ extern lfit lf;
+ extern pplot pp;