diff --git a/reader/src/main/java/org/jline/reader/impl/LineReaderImpl.java b/reader/src/main/java/org/jline/reader/impl/LineReaderImpl.java
index 57793803f..531264401 100644
--- a/reader/src/main/java/org/jline/reader/impl/LineReaderImpl.java
+++ b/reader/src/main/java/org/jline/reader/impl/LineReaderImpl.java
@@ -3968,7 +3968,7 @@ private String matchPreviousCommand(String buffer) {
         char prev = '0';
         for (char c: buffer.toCharArray()) {
             if (c == '(' || c == ')' || c == '[' || c == ']' || c == '{' || c == '}' || c == '^' || c == '*'
-                     || c == '$' || c == '.' || c == '?' || (c == '\\' && prev != '\\')) {
+                     || c == '$' || c == '.' || c == '?' || c == '+' || (c == '\\' && prev != '\\')) {
                 sb.append('\\');
             }
             sb.append(c);