diff --git a/src/daemon/pipewire-pulse.conf.in b/src/daemon/pipewire-pulse.conf.in
index a8d1aea7f..fe1210c9f 100644
--- a/src/daemon/pipewire-pulse.conf.in
+++ b/src/daemon/pipewire-pulse.conf.in
@@ -129,6 +129,8 @@ pulse.rules = [
             # Possible quirks:"
             #    force-s16-info                 forces sink and source info as S16 format
             #    remove-capture-dont-move       removes the capture DONT_MOVE flag
+            #    block-source-volume            blocks updates to source volume
+            #    block-sink-volume              blocks updates to sink volume
             #quirks = [ ]
         }
     }
@@ -158,4 +160,8 @@ pulse.rules = [
             }
         }
     }
+    #{
+    #    matches = [ { application.process.binary = "Discord" } ]
+    #    actions = { quirks = [ block-source-volume ] }
+    #}
 ]
diff --git a/src/modules/module-protocol-pulse/pulse-server.c b/src/modules/module-protocol-pulse/pulse-server.c
index 89e4908fd..7de42c86a 100644
--- a/src/modules/module-protocol-pulse/pulse-server.c
+++ b/src/modules/module-protocol-pulse/pulse-server.c
@@ -2911,10 +2911,15 @@ static int do_set_volume(struct client *client, uint32_t command, uint32_t tag,
 	    (index != SPA_ID_INVALID && name != NULL))
 		return -EINVAL;
 
-	if (command == COMMAND_SET_SINK_VOLUME)
+	if (command == COMMAND_SET_SINK_VOLUME) {
+		if (client->quirks & QUIRK_BLOCK_SINK_VOLUME)
+			return -EPERM;
 		direction = PW_DIRECTION_OUTPUT;
-	else
+	} else {
+		if (client->quirks & QUIRK_BLOCK_SOURCE_VOLUME)
+			return -EPERM;
 		direction = PW_DIRECTION_INPUT;
+	}
 
 	o = find_device(client, index, name, direction == PW_DIRECTION_OUTPUT, &is_monitor);
 	if (o == NULL || (info = o->info) == NULL || info->props == NULL)
diff --git a/src/modules/module-protocol-pulse/quirks.c b/src/modules/module-protocol-pulse/quirks.c
index 46a398188..e2e972e93 100644
--- a/src/modules/module-protocol-pulse/quirks.c
+++ b/src/modules/module-protocol-pulse/quirks.c
@@ -17,6 +17,8 @@ static uint64_t parse_quirks(const char *str)
 	static const struct { const char *key; uint64_t value; } quirk_keys[] = {
 		{ "force-s16-info", QUIRK_FORCE_S16_FORMAT },
 		{ "remove-capture-dont-move", QUIRK_REMOVE_CAPTURE_DONT_MOVE },
+		{ "block-source-volume", QUIRK_BLOCK_SOURCE_VOLUME },
+		{ "block-sink-volume", QUIRK_BLOCK_SINK_VOLUME },
 	};
 	SPA_FOR_EACH_ELEMENT_VAR(quirk_keys, i) {
 		if (spa_streq(str, i->key))
diff --git a/src/modules/module-protocol-pulse/quirks.h b/src/modules/module-protocol-pulse/quirks.h
index 9f61b151b..e817d0b8f 100644
--- a/src/modules/module-protocol-pulse/quirks.h
+++ b/src/modules/module-protocol-pulse/quirks.h
@@ -10,6 +10,8 @@
 #define QUIRK_FORCE_S16_FORMAT			(1ull<<0)	/** forces S16 sample format in sink and source
 								  * info */
 #define QUIRK_REMOVE_CAPTURE_DONT_MOVE		(1ull<<1)	/** removes the capture stream DONT_MOVE flag */
+#define QUIRK_BLOCK_SOURCE_VOLUME		(1ull<<2)	/** block volume changes to sources */
+#define QUIRK_BLOCK_SINK_VOLUME			(1ull<<3)	/** block volume changes to sinks */
 
 int client_update_quirks(struct client *client);