diff --git a/CMakeLists.txt b/CMakeLists.txt
index b95b714..53750f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,6 +39,8 @@
 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   add_definitions(-DSPIRV_LINUX)
   set(SPIRV_TIMER_ENABLED ${SPIRV_ALLOW_TIMERS})
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Emscripten")
+    add_definitions(-DSPIRV_EMSCRIPTEN)
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
   add_definitions(-DSPIRV_WINDOWS)
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "CYGWIN")
diff --git a/source/print.cpp b/source/print.cpp
index f75e2d4..24ef519 100644
--- a/source/print.cpp
+++ b/source/print.cpp
@@ -15,7 +15,7 @@
 #include "source/print.h"
 
 #if defined(SPIRV_ANDROID) || defined(SPIRV_LINUX) || defined(SPIRV_MAC) || \
-    defined(SPIRV_FREEBSD)
+    defined(SPIRV_FREEBSD) || defined(SPIRV_EMSCRIPTEN)
 namespace spvtools {
 
 clr::reset::operator const char*() { return "\x1b[0m"; }