diff --git a/libtiff/tif_fax3.h b/libtiff/tif_fax3.h
index cd412d5d..117619c5 100644
--- a/libtiff/tif_fax3.h
+++ b/libtiff/tif_fax3.h
@@ -390,8 +390,8 @@ done1d:									\
 	if (pa >= thisrun + sp->nruns) {				\
 		TIFFErrorExt(tif->tif_clientdata, module, "Buffer overflow at line %u of %s %u",	\
 		             sp->line, isTiled(tif) ? "tile" : "strip", isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip);	\
-		break;					\
-	}									\
+		return (-1);						\
+	}								\
 	LOOKUP8(7, TIFFFaxMainTable, eof2d);				\
 	switch (TabEnt->State) {					\
 	case S_Pass:							\