diff --git a/src/mono/wasm/build/WasmApp.Native.targets b/src/mono/wasm/build/WasmApp.Native.targets
index 7060397f0cb85..295474566a14a 100644
--- a/src/mono/wasm/build/WasmApp.Native.targets
+++ b/src/mono/wasm/build/WasmApp.Native.targets
@@ -221,10 +221,11 @@
 
       <_EmccCommonFlags Include="$(_DefaultEmccFlags)" />
       <_EmccCommonFlags Include="$(EmccFlags)" />
-      <_EmccCommonFlags Include="-g"                                Condition="'$(WasmNativeDebugSymbols)' == 'true'" />
-      <_EmccCommonFlags Include="-v"                                Condition="'$(EmccVerbose)' != 'false'" />
-      <_EmccCommonFlags Include="-s DISABLE_EXCEPTION_CATCHING=0"   Condition="'$(WasmEnableExceptionHandling)' == 'false'" />
-      <_EmccCommonFlags Include="-fwasm-exceptions"                 Condition="'$(WasmEnableExceptionHandling)' == 'true'" />
+      <_EmccCommonFlags Include="-g"                                       Condition="'$(WasmNativeDebugSymbols)' == 'true'" />
+      <_EmccCommonFlags Include="-v"                                       Condition="'$(EmccVerbose)' != 'false'" />
+      <_EmccCommonFlags Include="-s DISABLE_EXCEPTION_CATCHING=0"          Condition="'$(WasmEnableExceptionHandling)' == 'false'" />
+      <_EmccCommonFlags Include="-fwasm-exceptions"                        Condition="'$(WasmEnableExceptionHandling)' == 'true'" />
+      <_EmccCommonFlags Include="-s MAXIMUM_MEMORY=$(EmccMaximumHeapSize)" Condition="'$(EmccMaximumHeapSize)' != ''" />
 
       <_EmccIncludePaths Include="$(_WasmIntermediateOutputPath.TrimEnd('\/'))" />
       <_EmccIncludePaths Include="$(_WasmRuntimePackIncludeDir)mono-2.0" />
diff --git a/src/mono/wasm/build/WasmApp.targets b/src/mono/wasm/build/WasmApp.targets
index be1b7214e2c0b..0a22f3f82d528 100644
--- a/src/mono/wasm/build/WasmApp.targets
+++ b/src/mono/wasm/build/WasmApp.targets
@@ -57,6 +57,8 @@
       - $(EmccInitialHeapSize)              - Initial heap size specified with `emcc`. Default value: 16777216 or size of the DLLs, whichever is larger.
                                               Corresponds to `-s INITIAL_MEMORY=...` emcc arg.
                                               (previously named EmccTotalMemory, which is still kept as an alias)
+      - $(EmccMaximumHeapSize)              - Maximum heap size specified with `emcc`. Default value: 2147483648 or size of the DLLs, whichever is larger.
+                                              Corresponds to `-s MAXIMUM_MEMORY=...` emcc arg.
       - $(EmccStackSize)                    - Stack size. Default value: 5MB.
                                               Corresponds to `-s STACK_SIZE=...` emcc arg.