diff --git a/src/scripting/lua_kernel_base.cpp b/src/scripting/lua_kernel_base.cpp
index c01f8bbf66e..e7583aa4c63 100644
--- a/src/scripting/lua_kernel_base.cpp
+++ b/src/scripting/lua_kernel_base.cpp
@@ -94,6 +94,9 @@ int lua_kernel_base::intf_print(lua_State* L)
 		if (!str) {
 			str = "";
 		}
+		if (i > 1) {
+			cmd_log_ << "\t"; //separate multiple args with tab character
+		}
 		cmd_log_ << str;
 		DBG_LUA << "'" << str << "'\n";
 	}