diff --git a/.gitattributes b/.gitattributes
index 2bce27d2944865be8b482400e322641ca24abbbe..13be0a6c8a6e8565a0fa19286c835ad554a47a9b 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -78,6 +78,7 @@ testfont binary
 /src/modules/Image/dct.c foreign_ident
 /src/modules/Image/doc/Image.html foreign_ident
 /src/modules/Image/encodings/gif.c foreign_ident
+/src/modules/Image/encodings/gif.h foreign_ident
 /src/modules/Image/encodings/gif_lzw.c foreign_ident
 /src/modules/Image/encodings/gif_lzw.h foreign_ident
 /src/modules/Image/encodings/pnm.c foreign_ident
diff --git a/src/modules/Image/encodings/gif.h b/src/modules/Image/encodings/gif.h
new file mode 100644
index 0000000000000000000000000000000000000000..04db40a66fdac6214fac7a44c03ba29a6e07a606
--- /dev/null
+++ b/src/modules/Image/encodings/gif.h
@@ -0,0 +1,8 @@
+/* $Id: gif.h,v 1.1 1997/11/11 03:41:07 grubba Exp $ */
+
+#ifndef PIKE_IMAGE_ENCODINGS_GIF_H
+#define PIKE_IMAGE_ENCODINGS_GIF_H
+
+void image_gif_render_block(INT32 args);
+
+#endif /* PIKE_IMAGE_ENCODINGS_GIF_H */