diff --git a/compiler/src/compile.rs b/compiler/src/compile.rs
@@ -2258,9 +2258,9 @@ impl Compiler {

        let mut loop_labels = vec![];
        for generator in generators {
-            if generator.is_async {
-                unimplemented!("async for comprehensions");
-            }

            // Setup for loop:
            self.emit(Instruction::SetupLoop);
@@ -2271,21 +2271,37 @@ impl Compiler {
            } else {
                // Evaluate iterated item:
                self.compile_expression(&generator.iter)?;
-
-                // Get iterator / turn item into an iterator
-                self.emit(Instruction::GetIter);
            }

            let loop_block = self.new_block();
            let after_block = self.new_block();
            loop_labels.push((loop_block, after_block));

-            self.switch_to_block(loop_block);
-            self.emit(Instruction::ForIter {
-                target: after_block,
-            });

-            self.compile_store(&generator.target)?;

            // Now evaluate the ifs:
            for if_condition in &generator.ifs {