diff --git a/src/sfizz/effects/Rectify.cpp b/src/sfizz/effects/Rectify.cpp
index 015e5d29..1f88a771 100644
--- a/src/sfizz/effects/Rectify.cpp
+++ b/src/sfizz/effects/Rectify.cpp
@@ -66,7 +66,7 @@ namespace fx {
             auto &down2x = _downsampler2x[c];
 
             for (unsigned i = 0; i < nframes; ++i) {
-                float amount = amounts[i] * 0.01f;
+                const float amount = normalizePercents(amounts[i]);
                 float in = input[i];
 
                 float in2x[2];
diff --git a/src/sfizz/effects/Width.cpp b/src/sfizz/effects/Width.cpp
index 9a9fa336..8c3893ff 100644
--- a/src/sfizz/effects/Width.cpp
+++ b/src/sfizz/effects/Width.cpp
@@ -49,12 +49,12 @@ namespace fx {
         absl::Span<float> output2 { outputs[1], nframes };
 
         for (unsigned i = 0; i < nframes; ++i) {
-            float l = input1[i];
-            float r = input2[i];
+            const float l = input1[i];
+            const float r = input2[i];
 
-            float w = clamp((widths[i] + 100.0f) * 0.005f, 0.0f, 1.0f);
-            float coeff1 = _internals::panLookup(w);
-            float coeff2 = _internals::panLookup(1.0f - w);
+            const float w = clamp((widths[i] + 100.0f) * 0.005f, 0.0f, 1.0f);
+            const float coeff1 = _internals::panLookup(w);
+            const float coeff2 = _internals::panLookup(1.0f - w);
 
             output1[i] = l * coeff2 + r * coeff1;
             output2[i] = l * coeff1 + r * coeff2;