diff --git a/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp b/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp
index 4f3920bfc1..0f91bc2426 100644
--- a/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp
+++ b/modules/juce_audio_basics/buffers/juce_FloatVectorOperations.cpp
@@ -481,6 +481,17 @@ namespace FloatVectorHelpers
    #endif
 }
 
+//==============================================================================
+namespace
+{
+   #if JUCE_USE_VDSP_FRAMEWORK
+    // This casts away constness to account for slightly different vDSP function signatures
+    // in OSX 10.8 SDK and below. Can be safely removed once those SDKs are obsolete.
+    template <typename ValueType>
+    ValueType* osx108sdkCompatibilityCast (const ValueType* arg) noexcept { return const_cast<ValueType*> (arg); }
+   #endif
+}
+
 //==============================================================================
 void JUCE_CALLTYPE FloatVectorOperations::clear (float* dest, int num) noexcept
 {
@@ -571,7 +582,7 @@ void JUCE_CALLTYPE FloatVectorOperations::add (double* dest, double amount, int
 void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, const float* src, float amount, int num) noexcept
 {
    #if JUCE_USE_VDSP_FRAMEWORK
-    vDSP_vsadd ((float*) src, 1, &amount, dest, 1, (vDSP_Length) num);
+    vDSP_vsadd (osx108sdkCompatibilityCast (src), 1, &amount, dest, 1, (vDSP_Length) num);
    #else
     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] + amount, Mode::add (am, s),
                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,
@@ -582,7 +593,7 @@ void JUCE_CALLTYPE FloatVectorOperations::add (float* dest, const float* src, fl
 void JUCE_CALLTYPE FloatVectorOperations::add (double* dest, const double* src, double amount, int num) noexcept
 {
    #if JUCE_USE_VDSP_FRAMEWORK
-    vDSP_vsaddD ((double*) src, 1, &amount, dest, 1, (vDSP_Length) num);
+    vDSP_vsaddD (osx108sdkCompatibilityCast (src), 1, &amount, dest, 1, (vDSP_Length) num);
    #else
     JUCE_PERFORM_VEC_OP_SRC_DEST (dest[i] = src[i] + amount, Mode::add (am, s),
                                   JUCE_LOAD_SRC, JUCE_INCREMENT_SRC_DEST,