diff --git a/src/sfizz/OnePoleFilter.h b/src/sfizz/OnePoleFilter.h
index 46791ef4..99ddc754 100644
--- a/src/sfizz/OnePoleFilter.h
+++ b/src/sfizz/OnePoleFilter.h
@@ -26,7 +26,7 @@ public:
     template <class C>
     static Type normalizedGain(Type cutoff, C sampleRate)
     {
-        return std::tan(cutoff / static_cast<Type>(sampleRate) * fPi);
+        return std::tan(cutoff / static_cast<Type>(sampleRate) * pi<float>());
     }
 
     OnePoleFilter(Type gain)
diff --git a/src/sfizz/SIMDSSE.cpp b/src/sfizz/SIMDSSE.cpp
index 74adfb66..bec05f09 100644
--- a/src/sfizz/SIMDSSE.cpp
+++ b/src/sfizz/SIMDSSE.cpp
@@ -623,7 +623,7 @@ void sfz::pan<float, true>(absl::Span<const float> panEnvelope, absl::Span<float
     }
 
     const auto mmOne = _mm_set_ps1(1.0f);
-    const auto mmPiFour = _mm_set_ps1(piFour<float>);
+    const auto mmPiFour = _mm_set_ps1(piFour<float>());
     __m128 mmCos;
     __m128 mmSin;
     while (pan < lastAligned) {
@@ -660,7 +660,7 @@ void sfz::width<float, true>(absl::Span<const float> widthEnvelope, absl::Span<f
         incrementAll(width, left, right);
     }
 
-    const auto mmPiFour = _mm_set_ps1(piFour<float>);
+    const auto mmPiFour = _mm_set_ps1(piFour<float>());
     __m128 mmCos;
     __m128 mmSin;
     while (width < lastAligned) {