diff --git a/programs/fileio.c b/programs/fileio.c
index bde1f9711..c09326e4f 100644
--- a/programs/fileio.c
+++ b/programs/fileio.c
@@ -4006,8 +4006,6 @@ static int FIO_rust_createDResources_isError(size_t result)
 static dRess_t FIO_createDResources(FIO_prefs_t* const prefs, const char* dictFileName)
 {
     dRess_t ress;
-    memset(&ress, 0, sizeof(ress));
-
     FIO_rust_createDResourcesState const state = {
         &ress,
         prefs,
@@ -4021,6 +4019,7 @@ static dRess_t FIO_createDResources(FIO_prefs_t* const prefs, const char* dictFi
         FIO_rust_createDResources_createReadPool,
         FIO_rust_createDResources_isError
     };
+    memset(&ress, 0, sizeof(ress));
     CHECK(FIO_rust_createDResources(&state));
     return ress;
 }