diff --git a/dynasm/Examples/run.sh b/dynasm/Examples/run.sh
index dbe93b00..a4542e86 100755
--- a/dynasm/Examples/run.sh
+++ b/dynasm/Examples/run.sh
@@ -2,7 +2,7 @@
 # set -x
 
 # run test
-lua ../dynasm.lua test_z_inst.c | gcc -std=gnu99 -Wall -Werror -g -x c -o test_z_inst -
+lua ../dynasm.lua test_z_inst.c | gcc -DDASM_CHECKS -std=gnu99 -Wall -Werror -g -x c -o test_z_inst -
 ./test_z_inst
 ec=$?