diff --git a/build/platform.simulator.web.mak b/build/platform.simulator.web.mak
index aa105edbd..0a39c53f8 100644
--- a/build/platform.simulator.web.mak
+++ b/build/platform.simulator.web.mak
@@ -1,4 +1,2 @@
 TOOLCHAIN = emscripten
 EXE = js
-
-HANDY_TARGETS_EXTENSIONS += zip
diff --git a/build/targets.simulator.web.mak b/build/targets.simulator.web.mak
index 396ec7056..887f6e60b 100644
--- a/build/targets.simulator.web.mak
+++ b/build/targets.simulator.web.mak
@@ -1 +1,6 @@
 $(BUILD_DIR)/test.js: EMSCRIPTEN_MODULARIZE = 0
+
+HANDY_TARGETS += htmlpack
+HANDY_TARGETS_EXTENSIONS += zip
+
+$(BUILD_DIR)/htmlpack.zip: $(addprefix $(BUILD_DIR)/ion/src/simulator/web/,calculator.html calculator.css) $(BUILD_DIR)/epsilon.js ion/src/simulator/web/simulator-setup.js