X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fwrite.c;h=75193dfc78b3365529ab9f135b1dd13ba3e5cc88;hb=4ef92180bc9fd850f60433d1f81e5e9647b0fe86;hp=4c68921cc9164efb926e58325f0e0a99109ec6bc;hpb=58daaca96dc8b23e345342e844c58b1972e5fedf;p=wimlib

diff --git a/src/write.c b/src/write.c
index 4c68921c..75193dfc 100644
--- a/src/write.c
+++ b/src/write.c
@@ -2227,13 +2227,18 @@ wimlib_overwrite(WIMStruct *w, int write_flags,
 		 wimlib_progress_func_t progress_func)
 {
 	int ret;
+	u32 orig_hdr_flags;
 
 	write_flags &= WIMLIB_WRITE_MASK_PUBLIC;
 
 	if (!w->filename)
 		return WIMLIB_ERR_NO_FILENAME;
 
+	orig_hdr_flags = w->hdr.flags;
+	if (write_flags & WIMLIB_WRITE_FLAG_IGNORE_READONLY_FLAG)
+		w->hdr.flags &= ~WIM_HDR_FLAG_READONLY;
 	ret = can_modify_wim(w);
+	w->hdr.flags = orig_hdr_flags;
 	if (ret)
 		return ret;