diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index a12b8d53..e0c700e3 100644
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -663,6 +663,8 @@ SR_PRIV int sr_source_add_channel(GIOChannel *channel, int events, int timeout,
 /*--- session.c -------------------------------------------------------------*/
 
 struct sr_session {
+	/** Context this session exists in. */
+	struct sr_context *ctx;
 	/** List of struct sr_dev_inst pointers. */
 	GSList *devs;
 	/** List of struct sr_dev_inst pointers owned by this session. */
diff --git a/src/session.c b/src/session.c
index 736b2aa5..276c5d17 100644
--- a/src/session.c
+++ b/src/session.c
@@ -82,6 +82,7 @@ SR_API int sr_session_new(struct sr_context *ctx,
 
 	session = g_malloc0(sizeof(struct sr_session));
 
+	session->ctx = ctx;
 	session->source_timeout = -1;
 	session->running = FALSE;
 	session->abort_session = FALSE;