1 files changed, 1 insertions, 1 deletions

diff --git a/editors/ed.c b/editors/ed.c
index 209ce9942..4a84f7433 100644
--- a/editors/ed.c
+++ b/editors/ed.c
@@ -720,7 +720,7 @@ static void subCommand(const char *cmd, int num1, int num2)
                 if (deltaLen <= 0) {
                         memcpy(&lp->data[offset], newStr, newLen);
                         if (deltaLen) {
-                                memcpy(&lp->data[offset + newLen],
+                                memmove(&lp->data[offset + newLen],
                                         &lp->data[offset + oldLen],
                                         lp->len - offset - oldLen);