gistfile1.txt

diff --git a/src/core/args.c b/src/core/args.c
index 93dee1685..1299769a6 100644
--- a/src/core/args.c
+++ b/src/core/args.c
@@ -311,11 +311,11 @@ MVMArgInfo MVM_args_get_optional_pos_int(MVMThreadContext *tc, MVMArgProcContext
     autounbox(tc, MVM_CALLSITE_ARG_INT, "integer", result);
     return result;
 }
-MVMArgInfo MVM_args_get_required_pos_num(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos) {
+MVMnum64 MVM_args_get_required_pos_num(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos) {
     MVMArgInfo result;
     args_get_pos(tc, ctx, pos, MVM_ARG_REQUIRED, result);
     autounbox(tc, MVM_CALLSITE_ARG_NUM, "number", result);
-    return result;
+    return result.arg.n64;
 }
 MVMArgInfo MVM_args_get_optional_pos_num(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos) {
     MVMArgInfo result;
diff --git a/src/core/args.h b/src/core/args.h
index cd16ee13e..c20c54d1d 100644
--- a/src/core/args.h
+++ b/src/core/args.h
@@ -63,7 +63,7 @@ MVMObject * MVM_args_get_required_pos_obj(MVMThreadContext *tc, MVMArgProcContex
 MVMArgInfo MVM_args_get_optional_pos_obj(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
 MVMint64 MVM_args_get_required_pos_int(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
 MVMArgInfo MVM_args_get_optional_pos_int(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
-MVMArgInfo MVM_args_get_required_pos_num(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
+MVMnum64 MVM_args_get_required_pos_num(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
 MVMArgInfo MVM_args_get_optional_pos_num(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
 MVMString * MVM_args_get_required_pos_str(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
 MVMArgInfo MVM_args_get_optional_pos_str(MVMThreadContext *tc, MVMArgProcContext *ctx, MVMuint32 pos);
diff --git a/src/core/interp.c b/src/core/interp.c
index 47c205c13..057cae693 100644
--- a/src/core/interp.c
+++ b/src/core/interp.c
@@ -1077,7 +1077,7 @@ void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContex
                 goto NEXT;
             OP(param_rp_n):
                 GET_REG(cur_op, 0).n64 = MVM_args_get_required_pos_num(tc, &tc->cur_frame->params,
-                    GET_UI16(cur_op, 2)).arg.n64;
+                    GET_UI16(cur_op, 2));
                 cur_op += 4;
                 goto NEXT;
             OP(param_rp_s):
@@ -1423,7 +1423,7 @@ void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContex
                 if (IS_CONCRETE(obj) && REPR(obj)->ID == MVM_REPR_ID_MVMCallCapture) {
                     MVMCallCapture *cc = (MVMCallCapture *)obj;
                     GET_REG(cur_op, 0).n64 = MVM_args_get_required_pos_num(tc, cc->body.apc,
-                        (MVMuint32)GET_REG(cur_op, 4).i64).arg.n64;
+                        (MVMuint32)GET_REG(cur_op, 4).i64);
                 }
                 else {
                     MVM_exception_throw_adhoc(tc, "captureposarg_n needs a MVMCallCapture");