diff --git a/games-arcade/nibbles/files/nibbles-0.0.4-gcc-10.patch b/games-arcade/nibbles/files/nibbles-0.0.4-gcc-10.patch
new file mode 100644
index 0000000000000..e70203f73c7e4
--- /dev/null
+++ b/games-arcade/nibbles/files/nibbles-0.0.4-gcc-10.patch
@@ -0,0 +1,22 @@
+--- a/scoring.c
++++ b/scoring.c
+@@ -12,6 +12,8 @@
+ #include <time.h>
+ #include "scoring.h"
+ 
++char highscoref[255];
++
+ int get_high_scores(struct highscoreent *highscores[], int *numscores)
+ {
+ 	FILE *scorefile;
+--- a/scoring.h
++++ b/scoring.h
+@@ -11,7 +11,7 @@
+ /* Max number of high scores we store */
+ #define MAXHIGHSCORES 20
+ 
+-char highscoref[255];
++extern char highscoref[255];
+ 
+ struct highscoreent {
+ 	char name[16];
diff --git a/games-arcade/nibbles/nibbles-0.0.4-r1.ebuild b/games-arcade/nibbles/nibbles-0.0.4-r1.ebuild
index fb8b322939727..f0e8881182455 100644
--- a/games-arcade/nibbles/nibbles-0.0.4-r1.ebuild
+++ b/games-arcade/nibbles/nibbles-0.0.4-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -24,6 +24,7 @@ GAMES_STATEDIR="/var/games/${PN}"
 
 PATCHES=(
 	"${FILESDIR}"/${P}-as-needed.patch
+	"${FILESDIR}"/${P}-gcc-10.patch
 )
 
 S="${WORKDIR}/${MY_P}"