diff --git a/dlls/msi/format.c b/dlls/msi/format.c
index 278a08f1cd5..c4ff30f4111 100644
--- a/dlls/msi/format.c
+++ b/dlls/msi/format.c
@@ -805,12 +805,12 @@ static DWORD deformat_string_internal(MSIPACKAGE *package, LPCWSTR ptr,
     format.deformatted = *data;
     format.len = *len;
 
-    stack = create_stack();
-    temp = create_stack();
-
     if (!verify_format(*data))
         return ERROR_SUCCESS;
 
+    stack = create_stack();
+    temp = create_stack();
+
     while ((type = format_lex(&format, &str)) != FORMAT_NULL)
     {
         if (type == FORMAT_LBRACK || type == FORMAT_LBRACE ||