diff --git a/src/mono/mono.proj b/src/mono/mono.proj
index 0fd603fd47ac8..ad50dc1acff1d 100644
--- a/src/mono/mono.proj
+++ b/src/mono/mono.proj
@@ -273,6 +273,7 @@
     <!-- OSX specific options -->
     <ItemGroup Condition="'$(TargetsOSX)' == 'true'">
       <_MonoCMakeArgs Include="-DCMAKE_OSX_DEPLOYMENT_TARGET=$(macOSVersionMin)" />
+      <_MonoCMakeArgs Include="-DENABLE_ICALL_EXPORT=1"/>
       <_MonoCFLAGS Condition="'$(TargetArchitecture)' == 'arm64'" Include="-arch arm64" />
       <_MonoCXXFLAGS Condition="'$(TargetArchitecture)' == 'arm64'" Include="-arch arm64" />
       <!-- Force running as arm64 even when invoked from an x86 msbuild process -->
@@ -342,12 +343,12 @@
     </ItemGroup>
     <ItemGroup Condition="'$(TargetsiOS)' == 'true' or '$(TargetstvOS)' == 'true' or '$(TargetsMacCatalyst)' == 'true'">
       <_MonoCMakeArgs Include="-DICU_LIBDIR=$(_IcuLibdir)"/>
+      <_MonoCMakeArgs Include="-DENABLE_ICALL_EXPORT=1"/>
       <_MonoCFLAGS Include="-I$(PkgMicrosoft_NETCore_Runtime_ICU_Transport)/runtimes/$(TargetOS)-$(TargetArchitecture)/native/include" />
     </ItemGroup>
     <!-- iOS/tvOS simulator specific options -->
     <ItemGroup Condition="('$(TargetsiOS)' == 'true' and '$(TargetsiOSSimulator)' == 'true') or ('$(TargetstvOS)' == 'true' and '$(TargetstvOSSimulator)' == 'true')">
       <_MonoCMakeArgs Include="-DENABLE_MINIMAL=shared_perfcounters"/>
-      <_MonoCMakeArgs Include="-DENABLE_ICALL_EXPORT=1"/>
     </ItemGroup>
     <!-- iOS/tvOS device specific options -->
     <ItemGroup Condition="('$(TargetsiOS)' == 'true' and '$(TargetsiOSSimulator)' != 'true') or ('$(TargetstvOS)' == 'true' and '$(TargetstvOSSimulator)' != 'true')">