diff --git a/build/C_Properties.props b/build/C_Properties.props
index 045a5958..c52c0a84 100644
--- a/build/C_Properties.props
+++ b/build/C_Properties.props
@@ -16,7 +16,7 @@
       <AdditionalIncludeDirectories>$(SolutionDir)..\..\pthreads.2\include;$(SolutionDir)..\src;$(SolutionDir)..\src\extras;$(SolutionDir)..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <DisableSpecificWarnings>4244;4204;4206;4028;4152;4996;4018;4456;4389;4100;4131;4459</DisableSpecificWarnings>
       <OpenMPSupport>false</OpenMPSupport>
-      <TreatSpecificWarningsAsErrors>4013;4029;4047;4716;4700;4020;4021;4133</TreatSpecificWarningsAsErrors>
+      <TreatSpecificWarningsAsErrors>4013;4029;4047;4716;4700;4020;4021;4133;4090</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Link>
       <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/src/search_inter.c b/src/search_inter.c
index dd546a6c..c03739ba 100644
--- a/src/search_inter.c
+++ b/src/search_inter.c
@@ -61,7 +61,7 @@ static INLINE bool fracmv_within_tile(const encoder_state_t *state, const vector
 
 static INLINE int get_wpp_limit(const encoder_state_t *state, const vector2d_t* orig)
 {
-  encoder_control_t *ctrl = state->encoder_control;
+  const encoder_control_t *ctrl = state->encoder_control;
   if (ctrl->owf && ctrl->wpp) {
     // Limit motion vectors to the LCU-row below this row.
     // To avoid fractional pixel interpolation depending on things outside