diff --git a/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk b/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk
index 31a6054eb12..ab0e40105bf 100644
--- a/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk
+++ b/libs/openFrameworksCompiled/project/emscripten/config.emscripten.default.mk
@@ -75,8 +75,8 @@ ifdef VCPKG_ROOT
 endif
 
 # Code Generation Option Flags (http://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html)
-PLATFORM_CFLAGS = -std=c17 -fPIC $(CFLAG_PLATFORM_PTHREAD) -s ASSERTIONS=2
-PLATFORM_CXXFLAGS = -Wall -std=c++23 -fPIC -Wno-warn-absolute-paths $(CFLAG_PLATFORM_PTHREAD) -s ASSERTIONS=2
+PLATFORM_CFLAGS = -std=c17 -fPIC $(CFLAG_PLATFORM_PTHREAD)
+PLATFORM_CXXFLAGS = -Wall -std=c++23 -fPIC -Wno-warn-absolute-paths $(CFLAG_PLATFORM_PTHREAD)
 
 ifdef EMSCRIPTEN_MEMORY64
 	PLATFORM_CFLAGS += -s MEMORY64=1
@@ -117,7 +117,6 @@ PLATFORM_LDFLAGS += -s MAX_WEBGL_VERSION=2 -s WEBGL2_BACKWARDS_COMPATIBILITY_EMU
 PLATFORM_LDFLAGS += -s AUTO_NATIVE_LIBRARIES=1
 PLATFORM_LDFLAGS += -s AUTO_JS_LIBRARIES=1
 
-PLATFORM_LDFLAGS += -s ASSERTIONS=2
 PLATFORM_LDFLAGS += -s GL_ASSERTIONS=1
 PLATFORM_LDFLAGS += -s VERBOSE=1
 
@@ -131,7 +130,6 @@ PLATFORM_LDFLAGS += --js-library $(OF_ADDONS_PATH)/ofxEmscripten/libs/html5video
 # PLATFORM_LDFLAGS += --js-library $(OF_ADDONS_PATH)/ofxEmscripten/libs/html5audio/lib/emscripten/library_html5audio.js
 PLATFORM_LDFLAGS += -s MINIFY_HTML=0
 PLATFORM_LDFLAGS += -s MAIN_MODULE=1 -DEMCC_FORCE_STDLIBS=1
-PLATFORM_LDFLAGS += -s ASSERTIONS=2
 PLATFORM_LDFLAGS += -s EXPORT_ALL=1
 PLATFORM_LDFLAGS += -s NO_DYNAMIC_EXECUTION=1
 PLATFORM_LDFLAGS += -s ALLOW_MEMORY_GROWTH=1
@@ -234,6 +232,7 @@ PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/brotli/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/cairo/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/download/%
 PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/pixman/%
+PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/metalangle/%
 # PLATFORM_CORE_EXCLUSIONS += $(OF_LIBS_PATH)/freetype/lib/%
 
 ################################################################################