diff --git a/README.md b/README.md
index 612f500e7..6282e8f70 100644
--- a/README.md
+++ b/README.md
@@ -52,9 +52,8 @@ applications:
 				   the samplerate.
 * `PIPEWIRE_RATE=<num/denom>`      to configure a rate for the graph.
 * `PIPEWIRE_QUANTUM=<num/denom>`   to configure latency as a fraction and a
-				   samplerate. This function will attempt to change
-				   the graph samplerate to `denom` and use the
-				   specified `num` as the buffer size.
+                   samplerate. This function will force the graph samplerate to
+                   `denom` and force the specified `num` as the buffer size.
 * `PIPEWIRE_NODE=<id>`             to request a link to the specified node. The
                     id can be a node.name or object.serial of the target node.
 
diff --git a/pipewire-jack/src/pipewire-jack.c b/pipewire-jack/src/pipewire-jack.c
index 529b1bde9..04009cf5e 100644
--- a/pipewire-jack/src/pipewire-jack.c
+++ b/pipewire-jack/src/pipewire-jack.c
@@ -3804,10 +3804,10 @@ jack_client_t * jack_client_open (const char *client_name,
 	if ((str = getenv("PIPEWIRE_QUANTUM")) != NULL) {
 		struct spa_fraction q;
 		if (sscanf(str, "%u/%u", &q.num, &q.denom) == 2 && q.denom != 0) {
-			pw_properties_setf(client->props, PW_KEY_NODE_RATE,
+			pw_properties_setf(client->props, PW_KEY_NODE_FORCE_RATE,
 					"1/%u", q.denom);
-			pw_properties_setf(client->props, PW_KEY_NODE_LATENCY,
-					"%u/%u", q.num, q.denom);
+			pw_properties_setf(client->props, PW_KEY_NODE_FORCE_QUANTUM,
+					"%u", q.num);
 		} else {
 			pw_log_warn("invalid PIPEWIRE_QUANTUM: %s", str);
 		}
diff --git a/src/pipewire/filter.c b/src/pipewire/filter.c
index 60d912383..3d06c7d35 100644
--- a/src/pipewire/filter.c
+++ b/src/pipewire/filter.c
@@ -1659,10 +1659,10 @@ pw_filter_connect(struct pw_filter *filter,
 	if ((str = getenv("PIPEWIRE_QUANTUM")) != NULL) {
 		struct spa_fraction q;
 		if (sscanf(str, "%u/%u", &q.num, &q.denom) == 2 && q.denom != 0) {
-			pw_properties_setf(filter->properties, PW_KEY_NODE_RATE,
+			pw_properties_setf(filter->properties, PW_KEY_NODE_FORCE_RATE,
 					"1/%u", q.denom);
-			pw_properties_setf(filter->properties, PW_KEY_NODE_LATENCY,
-					"%u/%u", q.num, q.denom);
+			pw_properties_setf(filter->properties, PW_KEY_NODE_FORCE_QUANTUM,
+					"%u", q.num);
 		}
 	}
 	if ((str = getenv("PIPEWIRE_LATENCY")) != NULL)
diff --git a/src/pipewire/stream.c b/src/pipewire/stream.c
index aceacfe12..25051d64f 100644
--- a/src/pipewire/stream.c
+++ b/src/pipewire/stream.c
@@ -2034,10 +2034,10 @@ pw_stream_connect(struct pw_stream *stream,
 	if ((str = getenv("PIPEWIRE_QUANTUM")) != NULL) {
 		struct spa_fraction q;
 		if (sscanf(str, "%u/%u", &q.num, &q.denom) == 2 && q.denom != 0) {
-			pw_properties_setf(stream->properties, PW_KEY_NODE_RATE,
+			pw_properties_setf(stream->properties, PW_KEY_NODE_FORCE_RATE,
 					"1/%u", q.denom);
-			pw_properties_setf(stream->properties, PW_KEY_NODE_LATENCY,
-					"%u/%u", q.num, q.denom);
+			pw_properties_setf(stream->properties, PW_KEY_NODE_FORCE_QUANTUM,
+					"%u", q.num);
 		}
 	}
 	if ((str = getenv("PIPEWIRE_LATENCY")) != NULL)