diff --git a/spa/plugins/filter-graph/plugin_sofa.c b/spa/plugins/filter-graph/plugin_sofa.c
index 309b86dd9..22b28fcb2 100644
--- a/spa/plugins/filter-graph/plugin_sofa.c
+++ b/spa/plugins/filter-graph/plugin_sofa.c
@@ -50,6 +50,8 @@ static void * spatializer_instantiate(const struct spa_fga_plugin *plugin, const
 	const char *val;
 	char key[256];
 	char filename[PATH_MAX] = "";
+	bool normalize = false;
+	float normalized;
 	int len;
 
 	errno = EINVAL;
@@ -104,6 +106,13 @@ static void * spatializer_instantiate(const struct spa_fga_plugin *plugin, const
 				goto error;
 			}
 		}
+		else if (spa_streq(key, "normalize")) {
+			if (spa_json_parse_bool(val, len, &normalize) <= 0) {
+				spa_log_error(impl->log, "spatializer:normalize requires a bool");
+				errno = EINVAL;
+				goto error;
+			}
+		}
 		else if (spa_streq(key, "latency")) {
 			if (spa_json_parse_float(val, len, &impl->latency) <= 0) {
 				spa_log_error(impl->log, "spatializer:latency requires a number");
@@ -206,8 +215,13 @@ static void * spatializer_instantiate(const struct spa_fga_plugin *plugin, const
 	if (impl->tailsize <= 0)
 		impl->tailsize = SPA_CLAMP(4096, impl->blocksize, 32768);
 
-	spa_log_info(impl->log, "using n_samples:%u %d:%d blocksize gain:%f sofa:%s", impl->n_samples,
-		impl->blocksize, impl->tailsize, impl->gain, filename);
+	if (normalize)
+		normalized = mysofa_loudness(impl->sofa->hrtf);
+
+	spa_log_info(impl->log, "using n_samples:%u %d:%d blocksize %sgain:%f sofa:%s", impl->n_samples,
+		impl->blocksize, impl->tailsize,
+		normalize ? "auto" : "", normalize ? normalized : impl->gain, filename);
+
 
 	impl->tmp[0] = calloc(impl->plugin->quantum_limit, sizeof(float));
 	impl->tmp[1] = calloc(impl->plugin->quantum_limit, sizeof(float));
diff --git a/src/modules/module-filter-chain.c b/src/modules/module-filter-chain.c
index 62dd9e666..d3b061114 100644
--- a/src/modules/module-filter-chain.c
+++ b/src/modules/module-filter-chain.c
@@ -743,6 +743,7 @@ extern struct spa_handle_factory spa_filter_graph_factory;
  *                 filename = ...
  *                 gain = ...
  *                 latency = ...
+ *                 normalize = ...
  *             }
  *             control = {
  *                 "Azimuth" = ...
@@ -764,6 +765,7 @@ extern struct spa_handle_factory spa_filter_graph_factory;
  *               and contain the HRTF for the various spatial positions.
  * - `gain`      the overall gain to apply to the IR file, default 1.0.
  * - `latency`   the latency introduced by the filter, default 0
+ * - `normalize` automatically normalize the loudness of the IR, default false
  *
  * - `Azimuth`   controls the azimuth, this is the direction the sound is coming from
  *               in degrees between 0 and 360. 0 is straight ahead. 90 is left, 180