diff --git a/libmupen64plus/mupen64plus-core/src/debugger/dbg_decoder.c b/libmupen64plus/mupen64plus-core/src/debugger/dbg_decoder.c
index 59d8340aec..18b5bfbf85 100644
--- a/libmupen64plus/mupen64plus-core/src/debugger/dbg_decoder.c
+++ b/libmupen64plus/mupen64plus-core/src/debugger/dbg_decoder.c
@@ -805,6 +805,10 @@ EXPORT char* CALL biz_r4300_decode_op(uint32 instr, uint32 counter)
 	static char tmp[128];
 	static struct r4k_dis_t state;
 	memset( &state, 0, sizeof(state) );
+
+	//in case the disassembler does nothing
+	tmp[0] = 0;
+
   r4k_disassemble(
       &state,
       instr,
diff --git a/output/dll/mupen64plus.dll b/output/dll/mupen64plus.dll
index 0223d5ebe2..535e60bd2f 100644
Binary files a/output/dll/mupen64plus.dll and b/output/dll/mupen64plus.dll differ