mujoco

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1407080..b4dea44 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -49,9 +49,14 @@ target_include_directories(ccd PUBLIC
   $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>)
 
 if(NOT WIN32)
-  find_library(LIBM_LIBRARY NAMES m)
-  if(NOT LIBM_LIBRARY)
-    message(FATAL_ERROR "Could NOT find required library LibM")
+  if (EMSCRIPTEN)
+    set(LIBM_LIBRARY "-lm")
+    message("Subtitute LibM with emscripten -lm")
+  else()
+    find_library(LIBM_LIBRARY NAMES m)
+    if(NOT LIBM_LIBRARY)
+      message(FATAL_ERROR "Could NOT find required library LibM")
+    endif()
   endif()
   target_link_libraries(ccd "${LIBM_LIBRARY}")
   if(BUILD_SHARED_LIBS)