diff --git a/src/ex_getln.c b/src/ex_getln.c
index f05259b..51a38e5 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -3138,31 +3138,15 @@
 	windgoto(msg_row, msg_col);
 	pend = (char_u *)(line_ga.ga_data) + line_ga.ga_len;
 
-	// We are done when a NL is entered, but not when it comes after an
-	// odd number of backslashes, that results in a NUL.
-	if (line_ga.ga_len > 0 && pend[-1] == '\n')
+	// We are done when a NL is entered, but not when it comes after a
+	// backslash in prompt mode.
+	if (line_ga.ga_len > 0 && pend[-1] == '\n'
+		&& (line_ga.ga_len <= 1 || pend[-2] != '\\' || !promptc))
 	{
-	    int bcount = 0;
-
-	    while (line_ga.ga_len - 2 >= bcount && pend[-2 - bcount] == '\\')
-		++bcount;
-
-	    if (bcount > 0)
-	    {
-		// Halve the number of backslashes: "\NL" -> "NUL", "\\NL" ->
-		// "\NL", etc.
-		line_ga.ga_len -= (bcount + 1) / 2;
-		pend -= (bcount + 1) / 2;
-		pend[-1] = '\n';
-	    }
-
-	    if ((bcount & 1) == 0)
-	    {
-		--line_ga.ga_len;
-		--pend;
-		*pend = NUL;
-		break;
-	    }
+	    --line_ga.ga_len;
+	    --pend;
+	    *pend = NUL;
+	    break;
 	}
     }