diff --git a/src/cut.c b/src/cut.c
index 9079ce97..6793798b 100644
--- a/src/cut.c
+++ b/src/cut.c
@@ -34,7 +34,7 @@ void do_deletion(undo_type action)
 		int charlen = char_length(openfile->current->data + openfile->current_x);
 		size_t line_len = strlen(openfile->current->data + openfile->current_x);
 #ifndef NANO_TINY
-		size_t old_amount = extra_chunks_in(openfile->current);
+		size_t old_amount = ISSET(SOFTWRAP) ? extra_chunks_in(openfile->current) : 0;
 
 		/* If the type of action changed or the cursor moved to a different
 		 * line, create a new undo item, otherwise update the existing item. */
diff --git a/src/nano.c b/src/nano.c
index 1011148f..4f151bce 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -1399,12 +1399,13 @@ void inject(char *burst, size_t count)
 	linestruct *thisline = openfile->current;
 	size_t datalen = strlen(thisline->data);
 #ifndef NANO_TINY
-	size_t old_amount = extra_chunks_in(openfile->current);
 	size_t original_row = 0;
+	size_t old_amount = 0;
 
 	if (ISSET(SOFTWRAP)) {
 		if (openfile->current_y == editwinrows - 1)
 			original_row = chunk_for(xplustabs(), thisline);
+		old_amount = extra_chunks_in(thisline);
 	}
 #endif