diff --git a/Makefile b/Makefile
index 871b717..e79573b 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@
 # PLATFORM can be 'web' or 'desktop'
 PLATFORM ?= desktop
 
+SHELL := /bin/zsh
 TOP_BUILD_DIR := build
 EXECUTABLE := boids-playground
 WEB_SHELL := src/shell.html
@@ -57,8 +58,9 @@ OBJECT_DEPENDS := $(patsubst %.o, %.d, $(OBJECTS))
 
 LIB_DEPENDENCIES :=
 ifeq ($(PLATFORM), web)
+	export EMSDK_QUIET=1
 	RAYLIB_PLATFORM := PLATFORM_WEB
-	CXX := emcc
+	CXX := source $(SUBMODULES_PATH)/emsdk/emsdk_env.sh $(THEN) emcc
 	EXT = .html
 
 	EMSCRIPTEN_PATH ?= $(EMSDK_PATH)/upstream/emscripten
@@ -106,7 +108,6 @@ lib: submodules $(LIB_DEPENDENCIES)
 emsdk: submodules
 	cd $(SUBMODULES_PATH)/emsdk $(THEN) ./emsdk install  latest
 	cd $(SUBMODULES_PATH)/emsdk $(THEN) ./emsdk activate latest
-	EMSDK_QUIET=1 source $(SUBMODULES_PATH)/emsdk/emsdk_env.sh
 
 # Link the program and create the executable
 $(MAIN_TARGET): $(OBJECTS)