diff --git a/src/dpm_meters.c b/src/dpm_meters.c
index 34738c2..b1ea69c 100644
--- a/src/dpm_meters.c
+++ b/src/dpm_meters.c
@@ -33,7 +33,7 @@ int iec_scale(float db) {
          } else if (db < -60.0f) {
                  def = (db + 70.0f) * 0.25f;
          } else if (db < -50.0f) {
-                 def = (db + 60.0f) * 0.5f + 5.0f;
+                 def = (db + 60.0f) * 0.5f + 2.5f;
          } else if (db < -40.0f) {
                  def = (db + 50.0f) * 0.75f + 7.5;
          } else if (db < -30.0f) {