diff --git a/cmake/Modules/PlatformDefaults.cmake b/cmake/Modules/PlatformDefaults.cmake
index d8c6ff292..9885b664c 100644
--- a/cmake/Modules/PlatformDefaults.cmake
+++ b/cmake/Modules/PlatformDefaults.cmake
@@ -151,7 +151,11 @@ function( detect_platform_variables resultvarname )
   if ( NOT WINDOWS )
     set(NEXUSFLAGS "-DUSE_NEXUS -lNeXus")#?? should probably have another value
   else()
-    set(NEXUSFLAGS "-DUSE_NEXUS -lNeXus-0")
+    if ( MCCODE_BUILD_CONDA_PKG )
+      set(NEXUSFLAGS "/DUSE_NEXUS NeXus.lib")
+    else()
+      set(NEXUSFLAGS "-DUSE_NEXUS -lNeXus-0")
+    endif()
   endif()
   if ( NEXUSLIB )
     set(NEXUSFLAGS "-Wl,-rpath,${NEXUSLIB} -L${NEXUSLIB} ${NEXUSFLAGS}")