diff --git a/spl/std.spl b/spl/std.spl
index abe0e3f..90b8931 100644
--- a/spl/std.spl
+++ b/spl/std.spl
@@ -716,6 +716,12 @@ func _'match-else-error { |
     }
 }
 
+func _'match-else-push { |
+    if {
+        pop
+    }
+}
+
 def _'has-been-called 0 =_'has-been-called
 func _ { | 
     _'has-been-called not if {
diff --git a/src/lexer.rs b/src/lexer.rs
index c8e0f3e..d11c747 100644
--- a/src/lexer.rs
+++ b/src/lexer.rs
@@ -260,6 +260,13 @@ fn read_block_dyn(
             "=" => {
                 if str_words[i + 1] == ">" {
                     i += 1;
+                    let pushing = if str_words[i + 1] == "?" {
+                        i += 1;
+                        words.push(Word::Call("dup".to_owned(), false, 0));
+                        true
+                    } else {
+                        false
+                    };
                     let throwing = if str_words[i + 1] == "!" {
                         i += 1;
                         true
@@ -291,6 +298,9 @@ fn read_block_dyn(
                     if throwing {
                         words.push(Word::Call("_'match-else-error".to_owned(), false, 0));
                     }
+                    if pushing {
+                        words.push(Word::Call("_'match-else-push".to_owned(), false, 0));
+                    }
                 } else {
                     words.push(Word::Call("=".to_owned(), false, 0));
                 }