diff --git a/dll/directx/wine/devenum/createdevenum.c b/dll/directx/wine/devenum/createdevenum.c
index fbde0cb61d2..1f0005049bd 100644
--- a/dll/directx/wine/devenum/createdevenum.c
+++ b/dll/directx/wine/devenum/createdevenum.c
@@ -798,7 +798,7 @@ cleanup:
 static void register_vfw_codecs(void)
 {
     static const WCHAR fcchandlerW[] = {'F','c','c','H','a','n','d','l','e','r',0};
-    REGFILTERPINS2 rgpins[2];
+    REGFILTERPINS2 rgpins[2] = {{0}};
     IPropertyBag *prop_bag = NULL;
     REGPINTYPES rgtypes[2];
     REGFILTER2 rgf;