diff --git a/src/debug/debug_disasm.cpp b/src/debug/debug_disasm.cpp
index dea4b057..897a4c65 100644
--- a/src/debug/debug_disasm.cpp
+++ b/src/debug/debug_disasm.cpp
@@ -1111,6 +1111,11 @@ Bitu DasmI386(char* buffer, PhysPt pc, Bitu cur_ip, bool bit32)
 	return getbyte_mac-pc;
 }
 
+int DasmLastOperandSize()
+{
+	return opsize;
+};
+
 
 #endif
 
diff --git a/src/debug/debug_inc.h b/src/debug/debug_inc.h
index e77806d1..65fb7d85 100644
--- a/src/debug/debug_inc.h
+++ b/src/debug/debug_inc.h
@@ -53,3 +53,4 @@ extern DBGBlock dbg;
 
 /* Local Debug Stuff */
 Bitu DasmI386(char* buffer, PhysPt pc, Bitu cur_ip, bool bit32);
+int  DasmLastOperandSize(void);
\ No newline at end of file