diff --git a/maddr.c b/maddr.c
index b2dcc44..def6c6a 100644
--- a/maddr.c
+++ b/maddr.c
@@ -32,7 +32,7 @@ addr(char *file)
 		v = blaze822_chdr(msg, h);
 		if (v) {
 			char *disp, *addr;
-			char vdec[1024];
+			char vdec[16384];
 			blaze822_decode_rfc2047(vdec, v, sizeof vdec - 1, "UTF-8");
 			vdec[sizeof vdec - 1] = 0;
 			v = vdec;