diff --git a/dlls/jscript/bool.c b/dlls/jscript/bool.c
index 96759653fef..e3972a13d95 100644
--- a/dlls/jscript/bool.c
+++ b/dlls/jscript/bool.c
@@ -26,7 +26,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(jscript);
 typedef struct {
     jsdisp_t dispex;
 
-    VARIANT_BOOL val;
+    BOOL val;
 } BoolInstance;
 
 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
@@ -199,7 +199,7 @@ HRESULT create_bool_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp
     return hres;
 }
 
-HRESULT create_bool(script_ctx_t *ctx, VARIANT_BOOL b, jsdisp_t **ret)
+HRESULT create_bool(script_ctx_t *ctx, BOOL b, jsdisp_t **ret)
 {
     BoolInstance *bool;
     HRESULT hres;
diff --git a/dlls/jscript/jscript.h b/dlls/jscript/jscript.h
index bc674265bbc..3562db6de9b 100644
--- a/dlls/jscript/jscript.h
+++ b/dlls/jscript/jscript.h
@@ -244,7 +244,7 @@ HRESULT create_array(script_ctx_t*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 HRESULT create_regexp(script_ctx_t*,const WCHAR *,int,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
 HRESULT create_regexp_var(script_ctx_t*,jsval_t,jsval_t*,jsdisp_t**) DECLSPEC_HIDDEN;
 HRESULT create_string(script_ctx_t*,const WCHAR*,DWORD,jsdisp_t**) DECLSPEC_HIDDEN;
-HRESULT create_bool(script_ctx_t*,VARIANT_BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
+HRESULT create_bool(script_ctx_t*,BOOL,jsdisp_t**) DECLSPEC_HIDDEN;
 HRESULT create_number(script_ctx_t*,double,jsdisp_t**) DECLSPEC_HIDDEN;
 HRESULT create_vbarray(script_ctx_t*,SAFEARRAY*,jsdisp_t**) DECLSPEC_HIDDEN;