diff --git a/dlls/winepulse.drv/mmdevdrv.c b/dlls/winepulse.drv/mmdevdrv.c
index 8e717f9d18f..cac169567ea 100644
--- a/dlls/winepulse.drv/mmdevdrv.c
+++ b/dlls/winepulse.drv/mmdevdrv.c
@@ -1611,7 +1611,7 @@ static HRESULT WINAPI AudioSessionControl_GetState(IAudioSessionControl2 *iface,
         goto out;
     }
     LIST_FOR_EACH_ENTRY(client, &This->session->clients, ACImpl, entry) {
-        if (client->pulse_stream->started) {
+        if (client->pulse_stream && pulse->is_started(client->pulse_stream)) {
             *state = AudioSessionStateActive;
             goto out;
         }
diff --git a/dlls/winepulse.drv/pulse.c b/dlls/winepulse.drv/pulse.c
index 063c92605b6..05e1dacd68e 100644
--- a/dlls/winepulse.drv/pulse.c
+++ b/dlls/winepulse.drv/pulse.c
@@ -43,6 +43,36 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(pulse);
 
+struct pulse_stream
+{
+    EDataFlow dataflow;
+
+    pa_stream *stream;
+    pa_sample_spec ss;
+    pa_channel_map map;
+    pa_buffer_attr attr;
+
+    DWORD flags;
+    AUDCLNT_SHAREMODE share;
+    HANDLE event;
+    float vol[PA_CHANNELS_MAX];
+    BOOL mute;
+
+    INT32 locked;
+    UINT32 bufsize_frames, real_bufsize_bytes, period_bytes;
+    UINT32 started, peek_ofs, read_offs_bytes, lcl_offs_bytes, pa_offs_bytes;
+    UINT32 tmp_buffer_bytes, held_bytes, peek_len, peek_buffer_len, pa_held_bytes;
+    BYTE *local_buffer, *tmp_buffer, *peek_buffer;
+    void *locked_ptr;
+    BOOL please_quit, just_started, just_underran;
+    pa_usec_t last_time, mmdev_period_usec;
+
+    INT64 clock_lastpos, clock_written;
+
+    struct list packet_free_head;
+    struct list packet_filled_head;
+};
+
 typedef struct _ACPacket
 {
     struct list entry;
@@ -1770,6 +1800,11 @@ static HRESULT WINAPI pulse_set_event_handle(struct pulse_stream *stream, HANDLE
     return hr;
 }
 
+static BOOL WINAPI pulse_is_started(struct pulse_stream *stream)
+{
+    return pulse_stream_valid(stream) && stream->started;
+}
+
 static const struct unix_funcs unix_funcs =
 {
     pulse_lock,
@@ -1795,6 +1830,7 @@ static const struct unix_funcs unix_funcs =
     pulse_set_volumes,
     pulse_set_event_handle,
     pulse_test_connect,
+    pulse_is_started,
 };
 
 NTSTATUS CDECL __wine_init_unix_lib(HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out)
diff --git a/dlls/winepulse.drv/unixlib.h b/dlls/winepulse.drv/unixlib.h
index f1546d42d76..13793c734cd 100644
--- a/dlls/winepulse.drv/unixlib.h
+++ b/dlls/winepulse.drv/unixlib.h
@@ -18,6 +18,8 @@
 
 #include "wine/list.h"
 
+struct pulse_stream;
+
 struct pulse_config
 {
     struct
@@ -29,35 +31,6 @@ struct pulse_config
     unsigned int speakers_mask;
 };
 
-struct pulse_stream
-{
-    EDataFlow dataflow;
-
-    pa_stream *stream;
-    pa_sample_spec ss;
-    pa_channel_map map;
-    pa_buffer_attr attr;
-
-    DWORD flags;
-    AUDCLNT_SHAREMODE share;
-    HANDLE event;
-    float vol[PA_CHANNELS_MAX];
-
-    INT32 locked;
-    UINT32 bufsize_frames, real_bufsize_bytes, period_bytes;
-    UINT32 started, peek_ofs, read_offs_bytes, lcl_offs_bytes, pa_offs_bytes;
-    UINT32 tmp_buffer_bytes, held_bytes, peek_len, peek_buffer_len, pa_held_bytes;
-    BYTE *local_buffer, *tmp_buffer, *peek_buffer;
-    void *locked_ptr;
-    BOOL please_quit, just_started, just_underran;
-    pa_usec_t last_time, mmdev_period_usec;
-
-    INT64 clock_lastpos, clock_written;
-
-    struct list packet_free_head;
-    struct list packet_filled_head;
-};
-
 struct unix_funcs
 {
     void (WINAPI *lock)(void);
@@ -89,4 +62,5 @@ struct unix_funcs
                                const float *volumes, const float *session_volumes);
     HRESULT (WINAPI *set_event_handle)(struct pulse_stream *stream, HANDLE event);
     HRESULT (WINAPI *test_connect)(const char *name, struct pulse_config *config);
+    BOOL (WINAPI *is_started)(struct pulse_stream *stream);
 };