diff --git a/src/simulation/Particle.cpp b/src/simulation/Particle.cpp
index 06b6896ed..b15134f99 100644
--- a/src/simulation/Particle.cpp
+++ b/src/simulation/Particle.cpp
@@ -4,20 +4,20 @@
 std::vector<StructProperty> const &Particle::GetProperties()
 {
 	static std::vector<StructProperty> properties = {
-		{ "type"   , StructProperty::ParticleType, offsetof(Particle, type   ) },
-		{ "life"   , StructProperty::ParticleType, offsetof(Particle, life   ) },
-		{ "ctype"  , StructProperty::ParticleType, offsetof(Particle, ctype  ) },
-		{ "x"      , StructProperty::Float       , offsetof(Particle, x      ) },
-		{ "y"      , StructProperty::Float       , offsetof(Particle, y      ) },
-		{ "vx"     , StructProperty::Float       , offsetof(Particle, vx     ) },
-		{ "vy"     , StructProperty::Float       , offsetof(Particle, vy     ) },
-		{ "temp"   , StructProperty::Float       , offsetof(Particle, temp   ) },
-		{ "flags"  , StructProperty::UInteger    , offsetof(Particle, flags  ) },
-		{ "tmp"    , StructProperty::Integer     , offsetof(Particle, tmp    ) },
-		{ "tmp2"   , StructProperty::Integer     , offsetof(Particle, tmp2   ) },
-		{ "dcolour", StructProperty::UInteger    , offsetof(Particle, dcolour) },
-		{ "pavg0"  , StructProperty::Float       , offsetof(Particle, pavg[0]) },
-		{ "pavg1"  , StructProperty::Float       , offsetof(Particle, pavg[1]) },
+		{ "type"   , StructProperty::ParticleType, (intptr_t)(offsetof(Particle, type   )) },
+		{ "life"   , StructProperty::ParticleType, (intptr_t)(offsetof(Particle, life   )) },
+		{ "ctype"  , StructProperty::ParticleType, (intptr_t)(offsetof(Particle, ctype  )) },
+		{ "x"      , StructProperty::Float       , (intptr_t)(offsetof(Particle, x      )) },
+		{ "y"      , StructProperty::Float       , (intptr_t)(offsetof(Particle, y      )) },
+		{ "vx"     , StructProperty::Float       , (intptr_t)(offsetof(Particle, vx     )) },
+		{ "vy"     , StructProperty::Float       , (intptr_t)(offsetof(Particle, vy     )) },
+		{ "temp"   , StructProperty::Float       , (intptr_t)(offsetof(Particle, temp   )) },
+		{ "flags"  , StructProperty::UInteger    , (intptr_t)(offsetof(Particle, flags  )) },
+		{ "tmp"    , StructProperty::Integer     , (intptr_t)(offsetof(Particle, tmp    )) },
+		{ "tmp2"   , StructProperty::Integer     , (intptr_t)(offsetof(Particle, tmp2   )) },
+		{ "dcolour", StructProperty::UInteger    , (intptr_t)(offsetof(Particle, dcolour)) },
+		{ "pavg0"  , StructProperty::Float       , (intptr_t)(offsetof(Particle, pavg[0])) },
+		{ "pavg1"  , StructProperty::Float       , (intptr_t)(offsetof(Particle, pavg[1])) },
 	};
 	return properties;
 }