diff --git a/src/emulator.rs b/src/emulator.rs
index f012196..d0ca5e9 100644
--- a/src/emulator.rs
+++ b/src/emulator.rs
@@ -77,8 +77,8 @@ impl Cart {
 
 fn sram_path(rom_path: &Path, sim_id: SimId) -> PathBuf {
     match sim_id {
-        SimId::Player1 => rom_path.with_extension(".p1.sram"),
-        SimId::Player2 => rom_path.with_extension(".p2.sram"),
+        SimId::Player1 => rom_path.with_extension("p1.sram"),
+        SimId::Player2 => rom_path.with_extension("p2.sram"),
     }
 }