diff --git a/include/mitsuba/core/platform.h b/include/mitsuba/core/platform.h
index 382d3d53..24a128a1 100644
--- a/include/mitsuba/core/platform.h
+++ b/include/mitsuba/core/platform.h
@@ -52,6 +52,17 @@
 		#include <math.h>
 		#pragma intrinsic(memset, memcmp, memcpy, strlen, strcmp, strcpy, _strset, strcat, fabs, abs)
 	#endif
+
+	#if _MSC_VER >= 1600
+		#ifdef SINGLE_PRECISION
+				#pragma detect_mismatch( "MTS_FLOAT_PRECISION", "SINGLE")
+		#elif  DOUBLE_PRECISION
+				#pragma detect_mismatch( "MTS_FLOAT_PRECISION", "DOUBLE")
+		#endif
+		#define MTS_STRINGIFY(s) #s
+		#define MTS_XSTRINGIFY(s) MTS_STRINGIFY(s)
+		#pragma detect_mismatch("MTS_SPECTRUM_SAMPLES", MTS_XSTRINGIFY(SPECTRUM_SAMPLES))
+	#endif
 #elif defined(__APPLE__)
 	#define __OSX__
 #elif defined(__linux)
diff --git a/src/films/hdrfilm.cpp b/src/films/hdrfilm.cpp
index 0bc9633d..e39fcf58 100644
--- a/src/films/hdrfilm.cpp
+++ b/src/films/hdrfilm.cpp
@@ -348,7 +348,7 @@ public:
 			m_storage = new ImageBlock(Bitmap::ESpectrumAlphaWeight, m_cropSize);
 		} else {
 			m_storage = new ImageBlock(Bitmap::EMultiSpectrumAlphaWeight, m_cropSize,
-				NULL, SPECTRUM_SAMPLES * m_pixelFormats.size() + 2);
+				NULL, (int) (SPECTRUM_SAMPLES * m_pixelFormats.size() + 2));
 		}
 	}
 
diff --git a/src/integrators/misc/multichannel.cpp b/src/integrators/misc/multichannel.cpp
index b8597e64..b48b330f 100644
--- a/src/integrators/misc/multichannel.cpp
+++ b/src/integrators/misc/multichannel.cpp
@@ -142,7 +142,7 @@ public:
 
 		proc->setPixelFormat(
 				m_integrators.size() > 1 ? Bitmap::EMultiSpectrumAlphaWeight : Bitmap::ESpectrumAlphaWeight,
-				m_integrators.size() * SPECTRUM_SAMPLES + 2, false);
+				(int) (m_integrators.size() * SPECTRUM_SAMPLES + 2), false);
 
 		int integratorResID = sched->registerResource(this);
 		proc->bindResource("integrator", integratorResID);
diff --git a/src/libcore/bitmap.cpp b/src/libcore/bitmap.cpp
index edb16a26..8a5f4c9c 100644
--- a/src/libcore/bitmap.cpp
+++ b/src/libcore/bitmap.cpp
@@ -1399,7 +1399,10 @@ ref<Bitmap> Bitmap::convert(EPixelFormat pixelFormat,
 
 ref<Bitmap> Bitmap::convertMultiSpectrumAlphaWeight(const std::vector<EPixelFormat> &pixelFormats,
 		EComponentFormat componentFormat, const std::vector<std::string> &channelNames) const {
-	ref<Bitmap> bitmap = new Bitmap(Bitmap::EMultiChannel, componentFormat, m_size, channelNames.size());
+	if (channelNames.size() > std::numeric_limits<uint8_t>::max())
+		Log(EError, "convertMultiSpectrumAlphaWeight(): excessive number of channels!");
+	ref<Bitmap> bitmap = new Bitmap(Bitmap::EMultiChannel, componentFormat,
+			m_size, (uint8_t) channelNames.size());
 	bitmap->setChannelNames(channelNames);
 	convertMultiSpectrumAlphaWeight(this, getUInt8Data(), bitmap,
 		bitmap->getUInt8Data(), pixelFormats, componentFormat,
diff --git a/src/libcore/spectrum.cpp b/src/libcore/spectrum.cpp
index 6e0847c4..f4466f32 100644
--- a/src/libcore/spectrum.cpp
+++ b/src/libcore/spectrum.cpp
@@ -69,7 +69,6 @@ static InterpolatedSpectrum CIE_D65_interp(CIE_wavelengths, CIE_D65_entries, CIE
 Spectrum Spectrum::CIE_X;
 Spectrum Spectrum::CIE_Y;
 Spectrum Spectrum::CIE_Z;
-Spectrum Spectrum::CIE_D65;
 Float Spectrum::CIE_normalization;
 /// @}
 
diff --git a/src/libpython/core.cpp b/src/libpython/core.cpp
index 89261ba1..8f4088a4 100644
--- a/src/libpython/core.cpp
+++ b/src/libpython/core.cpp
@@ -276,7 +276,9 @@ static bp::tuple Matrix4x4_lu(Matrix4x4 *matrix) {
 static Vector4 Matrix4x4_cholSolve(Matrix4x4 *matrix, Vector B) {
 	typedef Matrix<4, 1, Float> Matrix4x1;
 	Vector4 X;
-	matrix->cholSolve<1>((Matrix4x1 &) B, (Matrix4x1 &) X);
+	Matrix4x1 & aliasedB MTS_MAY_ALIAS = reinterpret_cast<Matrix4x1 &>(B);
+	Matrix4x1 & aliasedX MTS_MAY_ALIAS = reinterpret_cast<Matrix4x1 &>(X);
+	matrix->cholSolve<1>(aliasedB, aliasedX);
 	return X;
 }
 
@@ -290,7 +292,9 @@ static Vector4 Matrix4x4_luSolve(Matrix4x4 *matrix, Vector B, bp::list pivList)
 	for (int i=0; i<4; ++i)
 		piv[i] = bp::extract<Float>(pivList[i]);
 
-	matrix->luSolve<1>((Matrix4x1 &) B, (Matrix4x1 &) X, piv);
+	Matrix4x1 & aliasedB MTS_MAY_ALIAS = reinterpret_cast<Matrix4x1 &>(B);
+	Matrix4x1 & aliasedX MTS_MAY_ALIAS = reinterpret_cast<Matrix4x1 &>(X);
+	matrix->luSolve<1>(aliasedB, aliasedX, piv);
 	return X;
 }