diff --git a/WebCore/platform/graphics/filters/FEComponentTransfer.cpp b/WebCore/platform/graphics/filters/FEComponentTransfer.cpp

index 1d9cfff..c088868 100644

--- a/WebCore/platform/graphics/filters/FEComponentTransfer.cpp

+++ b/WebCore/platform/graphics/filters/FEComponentTransfer.cpp

@@ -140,7 +140,7 @@ static void linear(unsigned char* values, const ComponentTransferFunction& trans

 static void gamma(unsigned char* values, const ComponentTransferFunction& transferFunction)

 {

     for (unsigned i = 0; i < 256; ++i) {

-        double val = 255.0 * (transferFunction.amplitude * pow((i / 255.0), transferFunction.exponent) + transferFunction.offset);

+        double val = 255.0 * (transferFunction.amplitude * pow(double(i / 255.0), double(transferFunction.exponent)) + transferFunction.offset);

         val = std::max(0.0, std::min(255.0, val));

         values[i] = static_cast<unsigned char>(val);

     }