diff --git a/filter/bs412.c b/filter/bs412.c
index ce77f1d..1196631 100644
--- a/filter/bs412.c
+++ b/filter/bs412.c
@@ -38,7 +38,7 @@ float bs412_compress(BS412Compressor* mpx, float sample) {
 	mpx->average_counter++;
 
 	float avg_power = mpx->average / mpx->average_counter;
-	float avg_deviation = sqrtf(avg_power);
+	float avg_deviation = sqrtf(avg_power) * sqrtf(2);
 	float modulation_power = deviation_to_dbr(avg_deviation);
 
 	#ifdef BS412_DEBUG
diff --git a/inih b/inih
index 3eda303..57188e8 160000
--- a/inih
+++ b/inih
@@ -1 +1 @@
-Subproject commit 3eda303b34610adc0554bdea08d02a25668c774c
+Subproject commit 57188e8acd8051b39a503faa30d27c50b94d8770