diff --git a/compiler/build/src/program.rs b/compiler/build/src/program.rs
index 2836704ae7..3652250494 100644
--- a/compiler/build/src/program.rs
+++ b/compiler/build/src/program.rs
@@ -115,7 +115,7 @@ pub fn gen_from_mono_module(
         if fn_val.verify(true) {
             fpm.run_on(&fn_val);
         } else {
-            // fn_val.print_to_stderr();
+            fn_val.print_to_stderr();
             // env.module.print_to_stderr();
             // NOTE: If this fails, uncomment the above println to debug.
             panic!(
diff --git a/compiler/gen/src/llvm/build.rs b/compiler/gen/src/llvm/build.rs
index 553e843ed4..ff6c43f272 100644
--- a/compiler/gen/src/llvm/build.rs
+++ b/compiler/gen/src/llvm/build.rs
@@ -3432,7 +3432,9 @@ fn get_foreign_symbol<'a, 'ctx, 'env>(
         None => {
             let foreign_function = module.add_function(
                 foreign_symbol.as_str(),
-                context.i64_type().fn_type(&[], false),
+                context
+                    .struct_type(&[], false)
+                    .fn_type(&[context.struct_type(&[], false).into()], false),
                 Some(Linkage::External),
             );
             foreign_function.set_call_conventions(C_CALL_CONV);