diff --git a/desmume/src/commandline.cpp b/desmume/src/commandline.cpp
index 0bdf5ca47..069d9fdbb 100644
--- a/desmume/src/commandline.cpp
+++ b/desmume/src/commandline.cpp
@@ -338,7 +338,9 @@ bool CommandLine::parse(int argc,char **argv)
 		case OPT_RTC_HOUR: _rtc_hour = atoi(optarg); break;
 
 		//sync settings
+		#ifdef HAVE_JIT
 		case OPT_JIT_SIZE: _jit_size = atoi(optarg); break;
+		#endif
 
 		//system equipment
 		case OPT_CONSOLE_TYPE: console_type = optarg; break;