diff --git a/schala-lang/language/src/parsing/new.rs b/schala-lang/language/src/parsing/new.rs
index c6937fd..9f10244 100644
--- a/schala-lang/language/src/parsing/new.rs
+++ b/schala-lang/language/src/parsing/new.rs
@@ -34,7 +34,7 @@ peg::parser! {
         }
 
         rule precedence_continuation() -> (&'input str, ExpressionKind) =
-            op:operator() _ expr:primary() _ { (op, expr) }
+            op:operator() _ expr:prefix_expr() _ { (op, expr) }
 
         rule prefix_expr() -> ExpressionKind =
             prefix:prefix()? expr:extended_expr() {
diff --git a/schala-lang/language/src/parsing/test.rs b/schala-lang/language/src/parsing/test.rs
index ca4d03d..166845b 100644
--- a/schala-lang/language/src/parsing/test.rs
+++ b/schala-lang/language/src/parsing/test.rs
@@ -225,8 +225,7 @@ fn prefix_exps() {
     assert_expr2!("-0.2", prefixop("-", expr(FloatLiteral(0.2))));
     assert_expr2!("!3", prefixop("!", expr(NatLiteral(3))));
     assert_expr2!("!t", prefixop("!", expr(Value(qn!(t)))));
-    //TODO fix
-    //assert_expr2!("a <- -b", binop("<-", expr(Value(qn!(a))), prefixop("-", expr(Value(qn!(b))))));
+    assert_expr2!("a <- -b", binop("<-", expr(Value(qn!(a))), prefixop("-", expr(Value(qn!(b))))));
     assert_expr2!("a <--b", binop("<--", expr(Value(qn!(a))), expr(Value(qn!(b)))));
 }