diff --git a/parse.y b/parse.y
index d04286f..8756de6 100644
--- a/parse.y
+++ b/parse.y
@@ -7013,7 +7013,27 @@ parser_yylex(struct parser_params *parser)
     command_start = FALSE;
   retry:
     last_state = lex_state;
-    switch (c = nextc()) {
+    c = nextc();
+    switch (c) {
+      case 0xF0: {
+        unsigned char c1 = nextc();
+	if (c1 == 0x9F) {
+	    unsigned char c2 = nextc();
+	    if (c2 == 0x9A) {
+		unsigned char c3 = nextc();
+		if (c3 == 0x85) {
+		    set_yylval_id(idLambda);
+		    lex_state = EXPR_ENDFN;
+		    return tLAMBDA;
+		}
+		pushback(c3);
+	    }
+	    pushback(c2);
+	}
+	pushback(c1);
+	pushback(c);
+	break;
+      }
       case '\0':		/* NUL */
       case '\004':		/* ^D */
       case '\032':		/* ^Z */