diff --git a/ion/src/simulator/Makefile b/ion/src/simulator/Makefile
index cab9b80e5..a63c4470a 100644
--- a/ion/src/simulator/Makefile
+++ b/ion/src/simulator/Makefile
@@ -26,5 +26,8 @@ ion_src += $(addprefix ion/src/simulator/shared/, \
   timing.cpp \
 )
 
+assets = background.jpg horizontal_arrow.png vertical_arrow.png round.png small_squircle.png large_squircle.png
+assets_paths = $(foreach i,$(assets),ion/src/simulator/assets/$(i))
+
 include ion/src/simulator/$(TARGET)/Makefile
 include ion/src/simulator/external/Makefile
diff --git a/ion/src/simulator/linux/Makefile b/ion/src/simulator/linux/Makefile
index 4b2917d05..763561232 100644
--- a/ion/src/simulator/linux/Makefile
+++ b/ion/src/simulator/linux/Makefile
@@ -27,10 +27,6 @@ endif
 
 LDFLAGS += -ljpeg
 
-assets = background.jpg horizontal_arrow.png vertical_arrow.png round.png small_squircle.png large_squircle.png
-
-assets_paths = $(foreach i,$(assets),ion/src/simulator/assets/$(i))
-
 $(eval $(call rule_for, \
   LINUX_ASSETS, \
   ion/src/simulator/linux/assets.s, \
diff --git a/ion/src/simulator/shared/apple/helpers.mak b/ion/src/simulator/shared/apple/helpers.mak
index 53442cd27..9162eeb1c 100644
--- a/ion/src/simulator/shared/apple/helpers.mak
+++ b/ion/src/simulator/shared/apple/helpers.mak
@@ -23,8 +23,7 @@ $(call simulator_app_resource,$(1)): ion/src/simulator/assets/$(1) | $$$$(@D)/.
 	$(Q) cp $$^ $$@
 endef
 
-ASSETS = background.jpg horizontal_arrow.png large_squircle.png round.png small_squircle.png vertical_arrow.png
-$(foreach ASSET,$(ASSETS),$(eval $(call rule_for_asset,$(ASSET))))
+$(foreach asset,$(assets),$(eval $(call rule_for_asset,$(asset))))
 
 # Process icons