2 files changed, 2 insertions, 0 deletions
diff --git a/src/H5CS.c b/src/H5CS.c
index 6543fc5..77bc3d7 100644
--- a/src/H5CS.c
+++ b/src/H5CS.c
@@ -87,6 +87,7 @@ H5FS_get_stack(void)
         /* no associated value with current thread - create one */
         fstack = (H5FS_t *)HDmalloc(sizeof(H5FS_t));  /* Don't use H5MM_malloc() here, it causes infinite recursion */
         pthread_setspecific(H5TS_funcstk_key_g, (void *)fstack);
+	fstack->nused=0;
     }
 
     FUNC_LEAVE_NOAPI_NOFS(fstack);
diff --git a/src/H5FS.c b/src/H5FS.c
index 6543fc5..77bc3d7 100644
--- a/src/H5FS.c
+++ b/src/H5FS.c
@@ -87,6 +87,7 @@ H5FS_get_stack(void)
         /* no associated value with current thread - create one */
         fstack = (H5FS_t *)HDmalloc(sizeof(H5FS_t));  /* Don't use H5MM_malloc() here, it causes infinite recursion */
         pthread_setspecific(H5TS_funcstk_key_g, (void *)fstack);
+	fstack->nused=0;
     }
 
     FUNC_LEAVE_NOAPI_NOFS(fstack);