diff --git a/src/sfizz/Region.cpp b/src/sfizz/Region.cpp
index c3649054..fb6ba39e 100644
--- a/src/sfizz/Region.cpp
+++ b/src/sfizz/Region.cpp
@@ -432,7 +432,8 @@ bool sfz::Region::parseOpcode(const Opcode& rawOpcode)
         setValueFromOpcode(opcode, ampKeytrack, Default::ampKeytrackRange);
         break;
     case hash("amp_veltrack"):
-        setValueFromOpcode(opcode, ampVeltrack, Default::ampVeltrackRange);
+        if (auto value = readOpcode(opcode.value, Default::ampVeltrackRange))
+            ampVeltrack = normalizePercents(*value);
         break;
     case hash("amp_random"):
         setValueFromOpcode(opcode, ampRandom, Default::ampRandomRange);
@@ -1517,19 +1518,8 @@ float sfz::Region::velocityCurve(float velocity) const noexcept
 {
     ASSERT(velocity >= 0.0f && velocity <= 1.0f);
 
-    float gain { 1.0f };
-    if (velCurve) { // Custom velocity curve
-        return velCurve->evalNormalized(velocity);
-    } else { // Standard velocity curve
-        // FIXME: Maybe there's a prettier way to check the boundaries?
-        const float gaindB = [&]() {
-            if (ampVeltrack >= 0)
-                return velocity == 0.0f ? -90.0f : 40 * std::log(velocity) / std::log(10.0f);
-            else
-                return velocity == 1.0f ? -90.0f : 40 * std::log(1 - velocity) / std::log(10.0f);
-        }();
-        gain *= db2mag( gaindB * std::abs(ampVeltrack) / sfz::Default::ampVeltrackRange.getEnd());
-    }
+    float gain = std::fabs(ampVeltrack) * (1.0f - velCurve->evalNormalized(velocity));
+    gain = (ampVeltrack < 0) ? gain : (1.0f - gain);
 
     return gain;
 }
diff --git a/src/sfizz/Region.h b/src/sfizz/Region.h
index 4bc1a91f..4935a85e 100644
--- a/src/sfizz/Region.h
+++ b/src/sfizz/Region.h
@@ -331,7 +331,7 @@ struct Region {
     float position { normalizePercents(Default::position) }; // position
     uint8_t ampKeycenter { Default::ampKeycenter }; // amp_keycenter
     float ampKeytrack { Default::ampKeytrack }; // amp_keytrack
-    float ampVeltrack { Default::ampVeltrack }; // amp_keytrack
+    float ampVeltrack { normalizePercents(Default::ampVeltrack) }; // amp_keytrack
     std::vector<std::pair<uint8_t, float>> velocityPoints; // amp_velcurve_N
     absl::optional<Curve> velCurve {};
     float ampRandom { Default::ampRandom }; // amp_random
diff --git a/src/sfizz/Synth.cpp b/src/sfizz/Synth.cpp
index 3c15addf..3307a8e9 100644
--- a/src/sfizz/Synth.cpp
+++ b/src/sfizz/Synth.cpp
@@ -568,7 +568,10 @@ void sfz::Synth::finalizeSfzLoad()
 
         if (!region->velocityPoints.empty())
             region->velCurve = Curve::buildFromVelcurvePoints(
-                region->velocityPoints, Curve::Interpolator::Linear, region->ampVeltrack < 0.0f);
+                region->velocityPoints, Curve::Interpolator::Linear);
+        else
+            region->velCurve = resources.curves.getCurve(4);
+
         region->registerPitchWheel(0);
         region->registerAftertouch(0);
         region->registerTempo(2.0f);