diff --git a/Source/Project64-core/N64System/Mips/Rumblepak.cpp b/Source/Project64-core/N64System/Mips/Rumblepak.cpp
index f63d69ef1..fd1607613 100644
--- a/Source/Project64-core/N64System/Mips/Rumblepak.cpp
+++ b/Source/Project64-core/N64System/Mips/Rumblepak.cpp
@@ -29,7 +29,7 @@ void Rumblepak::ReadFrom(uint8_t * command)
 	}
 }
 
-void Rumblepak::WriteTo(int Control, uint8_t * command)
+void Rumblepak::WriteTo(int32_t Control, uint8_t * command)
 {
 	uint32_t address = (command[3] << 8) | (command[4] & 0xE0);
 
diff --git a/Source/Project64-core/N64System/Mips/Rumblepak.h b/Source/Project64-core/N64System/Mips/Rumblepak.h
index 7101c8043..3e76eacce 100644
--- a/Source/Project64-core/N64System/Mips/Rumblepak.h
+++ b/Source/Project64-core/N64System/Mips/Rumblepak.h
@@ -14,5 +14,5 @@ class Rumblepak
 {
 public:
     static void ReadFrom(uint8_t * command);
-	static void WriteTo(int Control, uint8_t * command);
+    static void WriteTo(int32_t Control, uint8_t * command);
 };