diff --git a/dlls/vbscript/compile.c b/dlls/vbscript/compile.c
index 49d933b41b5..cc3b683cc22 100644
--- a/dlls/vbscript/compile.c
+++ b/dlls/vbscript/compile.c
@@ -34,6 +34,8 @@ typedef struct {
     vbscode_t *code;
 } compile_ctx_t;
 
+static HRESULT compile_expression(compile_ctx_t*,expression_t*);
+
 static inline instr_t *instr_ptr(compile_ctx_t *ctx, unsigned id)
 {
     assert(id < ctx->instr_cnt);
@@ -59,6 +61,18 @@ static unsigned push_instr(compile_ctx_t *ctx, vbsop_t op)
     return ctx->instr_cnt++;
 }
 
+static HRESULT push_instr_int(compile_ctx_t *ctx, vbsop_t op, LONG arg)
+{
+    unsigned ret;
+
+    ret = push_instr(ctx, op);
+    if(ret == -1)
+        return E_OUTOFMEMORY;
+
+    instr_ptr(ctx, ret)->arg1.lng = arg;
+    return S_OK;
+}
+
 static BSTR alloc_bstr_arg(compile_ctx_t *ctx, const WCHAR *str)
 {
     if(!ctx->code->bstr_pool_size) {
@@ -84,12 +98,12 @@ static BSTR alloc_bstr_arg(compile_ctx_t *ctx, const WCHAR *str)
     return ctx->code->bstr_pool[ctx->code->bstr_cnt++];
 }
 
-static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
+static HRESULT push_instr_bstr_uint(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg1, unsigned arg2)
 {
     unsigned instr;
     BSTR bstr;
 
-    bstr = alloc_bstr_arg(ctx, arg);
+    bstr = alloc_bstr_arg(ctx, arg1);
     if(!bstr)
         return E_OUTOFMEMORY;
 
@@ -98,28 +112,60 @@ static HRESULT push_instr_bstr(compile_ctx_t *ctx, vbsop_t op, const WCHAR *arg)
         return E_OUTOFMEMORY;
 
     instr_ptr(ctx, instr)->arg1.bstr = bstr;
+    instr_ptr(ctx, instr)->arg2.uint = arg2;
+    return S_OK;
+}
+
+static HRESULT compile_args(compile_ctx_t *ctx, expression_t *args, unsigned *ret)
+{
+    unsigned arg_cnt = 0;
+    HRESULT hres;
+
+    while(args) {
+        hres = compile_expression(ctx, args);
+        if(FAILED(hres))
+            return hres;
+
+        arg_cnt++;
+        args = args->next;
+    }
+
+    *ret = arg_cnt;
     return S_OK;
 }
 
 static HRESULT compile_member_expression(compile_ctx_t *ctx, member_expression_t *expr)
 {
+    unsigned arg_cnt = 0;
     HRESULT hres;
 
-    if(expr->args) {
-        FIXME("arguments not implemented\n");
-        return E_NOTIMPL;
-    }
+    hres = compile_args(ctx, expr->args, &arg_cnt);
+    if(FAILED(hres))
+        return hres;
 
     if(expr->obj_expr) {
         FIXME("obj_expr not implemented\n");
         hres = E_NOTIMPL;
     }else {
-        hres = push_instr_bstr(ctx, OP_icallv, expr->identifier);
+        hres = push_instr_bstr_uint(ctx, OP_icallv, expr->identifier, arg_cnt);
     }
 
     return hres;
 }
 
+static HRESULT compile_expression(compile_ctx_t *ctx, expression_t *expr)
+{
+    switch(expr->type) {
+    case EXPR_BOOL:
+        return push_instr_int(ctx, OP_bool, ((bool_expression_t*)expr)->value);
+    default:
+        FIXME("Unimplemented expression type %d\n", expr->type);
+        return E_NOTIMPL;
+    }
+
+    return S_OK;
+}
+
 static HRESULT compile_statement(compile_ctx_t *ctx, statement_t *stat)
 {
     HRESULT hres;
diff --git a/dlls/vbscript/interp.c b/dlls/vbscript/interp.c
index b309397514a..a70a4dd4602 100644
--- a/dlls/vbscript/interp.c
+++ b/dlls/vbscript/interp.c
@@ -75,12 +75,18 @@ static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, ref_t *ref)
 static HRESULT interp_icallv(exec_ctx_t *ctx)
 {
     BSTR identifier = ctx->instr->arg1.bstr;
+    const unsigned arg_cnt = ctx->instr->arg2.uint;
     DISPPARAMS dp = {0};
     ref_t ref;
     HRESULT hres;
 
     TRACE("\n");
 
+    if(arg_cnt) {
+        FIXME("arguments not implemented\n");
+        return E_NOTIMPL;
+    }
+
     hres = lookup_identifier(ctx, identifier, &ref);
     if(FAILED(hres))
         return hres;
@@ -107,6 +113,12 @@ static HRESULT interp_ret(exec_ctx_t *ctx)
     return S_OK;
 }
 
+static HRESULT interp_bool(exec_ctx_t *ctx)
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
 static const instr_func_t op_funcs[] = {
 #define X(x,n,a,b) interp_ ## x,
 OP_LIST
diff --git a/dlls/vbscript/vbscript.h b/dlls/vbscript/vbscript.h
index 8aca01c8f3d..c0adc57f492 100644
--- a/dlls/vbscript/vbscript.h
+++ b/dlls/vbscript/vbscript.h
@@ -69,11 +69,14 @@ HRESULT init_global(script_ctx_t*);
 typedef enum {
     ARG_NONE = 0,
     ARG_STR,
-    ARG_BSTR
+    ARG_BSTR,
+    ARG_INT,
+    ARG_UINT
 } instr_arg_type_t;
 
 #define OP_LIST                                   \
-    X(icallv,         1, ARG_BSTR,    0)          \
+    X(bool,           1, ARG_INT,     0)          \
+    X(icallv,         1, ARG_BSTR,    ARG_UINT)   \
     X(ret,            0, 0,           0)
 
 typedef enum {
@@ -86,6 +89,8 @@ OP_LIST
 typedef union {
     const WCHAR *str;
     BSTR bstr;
+    unsigned uint;
+    LONG lng;
 } instr_arg_t;
 
 typedef struct {