diff --git a/Makefile.emscripten b/Makefile.emscripten
index 70549715ba..310b234568 100644
--- a/Makefile.emscripten
+++ b/Makefile.emscripten
@@ -37,11 +37,14 @@ endif
 #if you compile with SDL2 flag add this Emscripten flag "-s USE_SDL=2" to LDFLAGS:
 
 LIBS    := -s USE_SDL=2 -s USE_ZLIB=1
-LDFLAGS := -L. --no-heap-copy -s USE_ZLIB=1 -s TOTAL_MEMORY=$(MEMORY) -s ASYNCIFY=$(ASYNC) -s USE_PTHREADS=$(PTHREAD) -s PTHREAD_POOL_SIZE=2 \
+LDFLAGS := -L. --no-heap-copy -s USE_ZLIB=1 -s TOTAL_MEMORY=$(MEMORY) -s ASYNCIFY=$(ASYNC) -s USE_PTHREADS=$(PTHREAD) \
            -s EXPORTED_FUNCTIONS="['_main', '_malloc', '_cmd_savefiles', '_cmd_save_state', '_cmd_load_state', '_cmd_take_screenshot']" \
            --js-library emscripten/library_rwebaudio.js \
            --js-library emscripten/library_rwebinput.js \
            --js-library emscripten/library_rwebcam.js
+ifneq ($(PTHREAD), 0)
+   LDFLAGS += -s PTHREAD_POOL_SIZE=2
+endif  
 
 include Makefile.common