diff -urNp trousers-0.3.1.org/src/tspi/tspi_nv.c trousers-0.3.1/src/tspi/tspi_nv.c
--- trousers-0.3.1.org/src/tspi/tspi_nv.c	2007-09-25 20:57:58.000000000 +0200
+++ trousers-0.3.1/src/tspi/tspi_nv.c	2007-11-24 21:12:16.000000000 +0200
@@ -217,7 +217,7 @@ Tspi_NV_ReleaseSpace(TSS_HNVSTORE hNvsto
 
 	nv_data_public.tag = TPM_TAG_NV_DATA_PUBLIC;
 
-	if ((result = obj_nvstore_create_pcrshortinfo(hNvstore, (TSS_HPCRS)NULL, &pPCR_len, &pPCR)))
+	if ((result = obj_nvstore_create_pcrshortinfo(hNvstore, 0, &pPCR_len, &pPCR)))
 		return result;
 
 	NVPublic_DataSize = 0;