diff --git a/ci/images/setup.sh b/ci/images/setup.sh
index 50853288d6..768a69f01b 100755
--- a/ci/images/setup.sh
+++ b/ci/images/setup.sh
@@ -21,6 +21,7 @@ mkdir -p /opt/openjdk
 cd /opt/openjdk
 curl -L ${JDK_URL} | tar zx --strip-components=1
 test -f /opt/openjdk/bin/java
+test -f /opt/openjdk/bin/javac
 
 
 ###########################################################