diff --git a/src/Magnum/Platform/Test/CMakeLists.txt b/src/Magnum/Platform/Test/CMakeLists.txt
index 0c2c5e013..2cd521f9c 100644
--- a/src/Magnum/Platform/Test/CMakeLists.txt
+++ b/src/Magnum/Platform/Test/CMakeLists.txt
@@ -28,6 +28,7 @@ set(ADDITIONAL_WEB_FILES "")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lGL -s MINIMAL_RUNTIME=2 -s IGNORE_CLOSURE_COMPILER_ERRORS=1 -s ENVIRONMENT=web")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s SUPPORT_ERRNO=0 -s GL_EMULATE_GLES_VERSION_STRING_FORMAT=0 -s GL_EXTENSIONS_IN_PREFIXED_FORMAT=0 -s GL_SUPPORT_AUTOMATIC_ENABLE_EXTENSIONS=0 -s GL_TRACK_ERRORS=0 -s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s FILESYSTEM=0")
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s MALLOC=emmalloc")
 
 if(WITH_ANDROIDAPPLICATION)
     add_library(PlatformAndroidApplicationTest SHARED AndroidApplicationTest.cpp)