diff --git a/modules/rostests/apitests/rtl/amd64/RtlVirtualUnwind.c b/modules/rostests/apitests/rtl/amd64/RtlVirtualUnwind.c
index eed39faa50f..a0498e779da 100644
--- a/modules/rostests/apitests/rtl/amd64/RtlVirtualUnwind.c
+++ b/modules/rostests/apitests/rtl/amd64/RtlVirtualUnwind.c
@@ -533,6 +533,7 @@ static VOID Test_SpareCode(VOID)
 
 START_TEST(RtlVirtualUnwind)
 {
+    RtlpInitialize();
     Test_PushNonvol();
     Test_AllocSmall();
     Test_AllocLargeScaled();