diff --git a/src/win/udp.c b/src/win/udp.c
index 1c4977af968..33407a89460 100644
--- a/src/win/udp.c
+++ b/src/win/udp.c
@@ -752,6 +752,9 @@ int uv__udp_set_source_membership6(uv_udp_t* handle,
   int optname;
   int err;
 
+  STATIC_ASSERT(sizeof(mreq.gsr_group) >= sizeof(*multicast_addr));
+  STATIC_ASSERT(sizeof(mreq.gsr_source) >= sizeof(*source_addr));
+
   if ((handle->flags & UV_HANDLE_BOUND) && !(handle->flags & UV_HANDLE_IPV6))
     return UV_EINVAL;
 
@@ -774,8 +777,6 @@ int uv__udp_set_source_membership6(uv_udp_t* handle,
     mreq.gsr_interface = 0;
   }
 
-  STATIC_ASSERT(sizeof(mreq.gsr_group) >= sizeof(*multicast_addr));
-  STATIC_ASSERT(sizeof(mreq.gsr_source) >= sizeof(*source_addr));
   memcpy(&mreq.gsr_group, multicast_addr, sizeof(*multicast_addr));
   memcpy(&mreq.gsr_source, source_addr, sizeof(*source_addr));
 
diff --git a/src/win/util.c b/src/win/util.c
index c63cdde3da3..8acdbd7c21f 100644
--- a/src/win/util.c
+++ b/src/win/util.c
@@ -492,6 +492,8 @@ uint64_t uv_hrtime(void) {
 
 uint64_t uv__hrtime(unsigned int scale) {
   LARGE_INTEGER counter;
+  double scaled_freq;
+  double result;
 
   assert(hrtime_frequency_ != 0);
   assert(scale != 0);
@@ -504,8 +506,8 @@ uint64_t uv__hrtime(unsigned int scale) {
    * performance counter interval, integer math could cause this computation
    * to overflow. Therefore we resort to floating point math.
    */
-  double scaled_freq = (double)hrtime_frequency_ / scale;
-  double result = (double) counter.QuadPart / scaled_freq;
+  scaled_freq = (double) hrtime_frequency_ / scale;
+  result = (double) counter.QuadPart / scaled_freq;
   return (uint64_t) result;
 }