diff --git a/tools/libdol2asm/exporter/makefile.py b/tools/libdol2asm/exporter/makefile.py
index e99c5c787f8..a0070431e13 100644
--- a/tools/libdol2asm/exporter/makefile.py
+++ b/tools/libdol2asm/exporter/makefile.py
@@ -61,8 +61,8 @@ async def create_library(library: Library):
         await builder.write(f"{o_path}/%.o: {cpp_path}/%.cpp")
         await builder.write(f"\t@mkdir -p $(@D)")
         await builder.write(f"\t@echo building... $<")
-        await builder.write(f"\t@iconv -f UTF-8 -t CP932 < $< > $@.iconv.cpp")
-        await builder.write(f"\t@$(CC) $(CFLAGS) $({prefix}_CFLAGS) -c -o $@ $@.iconv.cpp")
+        await builder.write(f"\t@$(ICONV) -f UTF-8 -t CP932 < $< > $(basename $@).cpp")
+        await builder.write(f"\t@$(CC) $(CFLAGS) $({prefix}_CFLAGS) -c -o $@ $(basename $@).cpp")
         await builder.write("")
     
     debug(f"generated Makefile: '{makefile_path}'")
@@ -149,8 +149,8 @@ async def create_rel(module: Module, rel_path: Path):
         await builder.write(f"{o_path}/%.o: {cpp_path}/%.cpp")
         await builder.write(f"\t@echo [{module.index:>3}] building $@")
         await builder.write(f"\t@mkdir -p $(@D)")
-        await builder.write(f"\t@iconv -f UTF-8 -t CP932 < $< > $@.iconv.cpp")
-        await builder.write(f"\t@$(CC) $(CFLAGS) $({prefix}_CFLAGS) -c -o $@ $@.iconv.cpp")
+        await builder.write(f"\t@$(ICONV) -f UTF-8 -t CP932 < $< > $(basename $@).cpp")
+        await builder.write(f"\t@$(CC) $(CFLAGS) $({prefix}_CFLAGS) -c -o $@ $(basename $@).cpp")
         await builder.write("")
 
         for library in libraries[1:]: