diff --git a/pkgs/applications/editors/aseprite/allegro-glibc-2.30.patch b/pkgs/applications/editors/aseprite/allegro-glibc-2.30.patch
new file mode 100644
index 00000000000..94c70da276c
--- /dev/null
+++ b/pkgs/applications/editors/aseprite/allegro-glibc-2.30.patch
@@ -0,0 +1,8 @@
+diff --git a/src/she/CMakeLists.txt b/src/she/CMakeLists.txt
+index 4909ff1..02fa145 100644
+--- a/src/she/CMakeLists.txt
++++ b/src/she/CMakeLists.txt
+@@ -23,2 +23,3 @@ if(USE_ALLEG4_BACKEND)
+     add_definitions(-DUSE_MOUSE_POLLER)
++    add_definitions(-DALLEGRO_NO_FIX_ALIASES)
+   endif()
diff --git a/pkgs/applications/editors/aseprite/default.nix b/pkgs/applications/editors/aseprite/default.nix
index 170fde7b9ca..fb744ef5955 100644
--- a/pkgs/applications/editors/aseprite/default.nix
+++ b/pkgs/applications/editors/aseprite/default.nix
@@ -36,7 +36,9 @@ stdenv.mkDerivation rec {
     skia libGL
   ];
 
-  patches = lib.optionals unfree [
+  patches = if !unfree then [
+    ./allegro-glibc-2.30.patch
+  ] else [
     (fetchpatch {
       url = "https://github.com/lfont/aseprite/commit/f1ebc47012d3fed52306ed5922787b4b98cc0a7b.patch";
       sha256 = "03xg7x6b9iv7z18vzlqxhcfphmx4v3qhs9f5rgf38ppyklca5jyw";