diff --git a/src/mono/wasm/Makefile b/src/mono/wasm/Makefile
index 52e5de9e30227e..63e03b225468c7 100644
--- a/src/mono/wasm/Makefile
+++ b/src/mono/wasm/Makefile
@@ -72,7 +72,7 @@ MONO_LIBS = \
 	$(ICU_LIBDIR)/libicui18n.a
 
 EMCC_DEBUG_FLAGS =-g -Os -s -DDEBUG=1
-EMCC_RELEASE_FLAGS=-Oz
+EMCC_RELEASE_FLAGS=-O2
 
 ifeq ($(NOSTRIP),)
 STRIP_CMD=&& $(EMSDK_PATH)/upstream/bin/wasm-opt --strip-dwarf $(NATIVE_BIN_DIR)/dotnet.wasm -o $(NATIVE_BIN_DIR)/dotnet.wasm
diff --git a/src/mono/wasm/build/WasmApp.Native.targets b/src/mono/wasm/build/WasmApp.Native.targets
index e564d43520b592..22538f7ee777cf 100644
--- a/src/mono/wasm/build/WasmApp.Native.targets
+++ b/src/mono/wasm/build/WasmApp.Native.targets
@@ -161,6 +161,7 @@
       <_EmccOptimizationFlagDefault Condition="'$(_EmccOptimizationFlagDefault)' == ''">-Oz</_EmccOptimizationFlagDefault>
 
       <EmccCompileOptimizationFlag Condition="'$(EmccCompileOptimizationFlag)' == ''">$(_EmccOptimizationFlagDefault)</EmccCompileOptimizationFlag>
+      <EmccLinkOptimizationFlag    Condition="'$(EmccLinkOptimizationFlag)' == '' and '$(Configuration)' == 'Release'">-O2</EmccLinkOptimizationFlag>
       <EmccLinkOptimizationFlag    Condition="'$(EmccLinkOptimizationFlag)' == ''"   >$(EmccCompileOptimizationFlag)</EmccLinkOptimizationFlag>
 
       <_EmccCompileRsp>$(_WasmIntermediateOutputPath)emcc-compile.rsp</_EmccCompileRsp>
diff --git a/src/mono/wasm/wasm.proj b/src/mono/wasm/wasm.proj
index 3eacc3e1307c13..1051ff672f95b1 100644
--- a/src/mono/wasm/wasm.proj
+++ b/src/mono/wasm/wasm.proj
@@ -180,7 +180,7 @@
 
     <PropertyGroup>
       <EmccConfigurationFlags Condition="'$(Configuration)' == 'Debug'">-g -Os -s -DENABLE_NETCORE=1 -DDEBUG=1</EmccConfigurationFlags>
-      <EmccConfigurationFlags Condition="'$(Configuration)' == 'Release'">-Oz -DENABLE_NETCORE=1</EmccConfigurationFlags>
+      <EmccConfigurationFlags Condition="'$(Configuration)' == 'Release'">-O2 -DENABLE_NETCORE=1</EmccConfigurationFlags>
       <StripCmd>&quot;$(EMSDK_PATH)/upstream/bin/wasm-opt&quot; --strip-dwarf &quot;$(NativeBinDir)dotnet.wasm&quot; -o &quot;$(NativeBinDir)dotnet.wasm&quot;</StripCmd>
       <WasmObjDir>$(ArtifactsObjDir)wasm</WasmObjDir>
       <WasmVersionFile>$(WasmObjDir)\emcc-version.txt</WasmVersionFile>