diff --git a/Makefile b/Makefile
index ad7897a..5eca81f 100644
--- a/Makefile
+++ b/Makefile
@@ -244,7 +244,7 @@ bin/menu.o: src/menu.c $(TIC80_H) $(TIC_H)
 bin/surf.o: src/surf.c $(TIC80_H) $(TIC_H)
 	$(CC) $< $(OPT) $(INCLUDES) -c -o $@
 
-bin/main.o: src/main.c src/keycodes.c $(TIC80_H) $(TIC_H)
+bin/system.o: src/system.c src/keycodes.c $(TIC80_H) $(TIC_H)
 	$(CC) $< $(OPT) $(INCLUDES) -c -o $@
 
 SDL_NET = \
@@ -313,13 +313,13 @@ $(STUDIO_DLL): $(DEMO_ASSETS) $(TIC80_DLL) $(TIC_O) bin/html.o
 	$(CC) $(TIC_O) bin/html.o $(TIC80_A) $(OPT) -shared $(INCLUDES) -L$(PRE_BUILT)/mingw -llua -lz -lgif -Wl,--out-implib,$(STUDIO_A) -o $@
 
 emscripten:
-	$(EMS_CC) $(SOURCES) src/main.c $(TIC80_SRC) $(OPT) $(INCLUDES) $(EMS_OPT) $(EMS_LINKER_FLAGS) -o build/html/tic.js
+	$(EMS_CC) $(SOURCES) src/system.c $(TIC80_SRC) $(OPT) $(INCLUDES) $(EMS_OPT) $(EMS_LINKER_FLAGS) -o build/html/tic.js
 
 wasm:
 	$(EMS_CC) $(SOURCES) $(TIC80_SRC) $(OPT) $(INCLUDES) $(EMS_OPT) -s WASM=1 $(EMS_LINKER_FLAGS) -o build/html/tic.js
 
-mingw: $(STUDIO_DLL) $(SDL_NET) $(FILE_DIALOG) bin/main.o bin/res.o
-	$(CC) bin/main.o bin/res.o $(STUDIO_A) $(SDL_NET) $(FILE_DIALOG) $(OPT) $(INCLUDES) $(MINGW_LINKER_FLAGS) -o $(MINGW_OUTPUT)
+mingw: $(STUDIO_DLL) $(SDL_NET) $(FILE_DIALOG) bin/system.o bin/res.o
+	$(CC) bin/system.o bin/res.o $(STUDIO_A) $(SDL_NET) $(FILE_DIALOG) $(OPT) $(INCLUDES) $(MINGW_LINKER_FLAGS) -o $(MINGW_OUTPUT)
 
 mingw-pro:
 	$(eval OPT += $(OPT_PRO))
diff --git a/build/windows/tic/tic.vcxproj b/build/windows/tic/tic.vcxproj
index c81aa64..3ef4913 100644
--- a/build/windows/tic/tic.vcxproj
+++ b/build/windows/tic/tic.vcxproj
@@ -50,8 +50,8 @@
     <ClCompile Include="..\..\..\3rd-party\SDL2_net-2.0.1\SDLnetselect.c" />
     <ClCompile Include="..\..\..\3rd-party\SDL2_net-2.0.1\SDLnetTCP.c" />
     <ClCompile Include="..\..\..\src\ext\file_dialog.c" />
-    <ClCompile Include="..\..\..\src\main.c" />
     <ClCompile Include="..\..\..\src\net.c" />
+    <ClCompile Include="..\..\..\src\system.c" />
   </ItemGroup>
   <ItemGroup>
     <Image Include="icon.ico" />
diff --git a/build/windows/tic/tic.vcxproj.filters b/build/windows/tic/tic.vcxproj.filters
index 32519de..dc1db77 100644
--- a/build/windows/tic/tic.vcxproj.filters
+++ b/build/windows/tic/tic.vcxproj.filters
@@ -24,15 +24,15 @@
     <ClCompile Include="..\..\..\3rd-party\SDL2_net-2.0.1\SDLnetTCP.c">
       <Filter>src\ext\net</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\main.c">
-      <Filter>src</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\src\net.c">
       <Filter>src</Filter>
     </ClCompile>
     <ClCompile Include="..\..\..\src\ext\file_dialog.c">
       <Filter>src\ext</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\system.c">
+      <Filter>src</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <Image Include="icon.ico">
diff --git a/src/studio.h b/src/studio.h
index e8f2cdc..f38c12f 100644
--- a/src/studio.h
+++ b/src/studio.h
@@ -36,7 +36,7 @@
 #include "defines.h"
 #include "tools.h"
 #include "ext/file_dialog.h"
-#include "main.h"
+#include "system.h"
 
 #define TIC_LOCAL ".local/"
 #define TIC_CACHE TIC_LOCAL "cache/"
diff --git a/src/main.c b/src/system.c
similarity index 99%
rename from src/main.c
rename to src/system.c
index 3c6ca00..b1eec29 100644
--- a/src/main.c
+++ b/src/system.c
@@ -1,4 +1,4 @@
-#include "main.h"
+#include "system.h"
 #include "studio.h"
 #include "net.h"
 #include <SDL.h>
diff --git a/src/main.h b/src/system.h
similarity index 100%
rename from src/main.h
rename to src/system.h