diff --git a/tests/script/sh/exec.sh b/tests/script/sh/exec.sh
index ebfe8861b0e8e587fc91a7c9da6a47e1e4f7d3cc..1fd859213d9ac285f167078f54611246a0716534 100755
--- a/tests/script/sh/exec.sh
+++ b/tests/script/sh/exec.sh
@@ -95,7 +95,7 @@ else
   if [ -n "$PID" ]; then 
     if [ "$SIGNAL" = "SIGINT" ]; then 
       echo killed by signal
-      kill -sigint $PID
+      kill -SIGINT $PID
     else
       kill -9 $PID
     fi
diff --git a/tests/script/sh/exec_up.sh b/tests/script/sh/exec_up.sh
index 51ad03fe99d3b82cb8de6683e668e45e952a7fb8..5fba244d28de128c3199ba3cea6a8420cce93ac0 100755
--- a/tests/script/sh/exec_up.sh
+++ b/tests/script/sh/exec_up.sh
@@ -100,7 +100,7 @@ else
   if [ -n "$PID" ]; then 
     if [ "$SIGNAL" = "SIGINT" ]; then 
       echo killed by signal
-      kill -sigint $PID
+      kill -SIGINT $PID
     else
       kill -9 $PID
     fi