diff --git a/jpackage-utils/java-utils/java-functions b/jpackage-utils/java-utils/java-functions
index 612875b..c82324f 100644
--- a/jpackage-utils/java-utils/java-functions
+++ b/jpackage-utils/java-utils/java-functions
@@ -153,6 +153,13 @@ set_jvm_dirs() {
         fi
     done
 
+    if [ -z "$JAVA_VERSION" ]; then
+	[ -d /usr/lib/jvm/java-1.4.2 ] && JAVA_VERSION=1.4.2
+	[ -d /usr/lib/jvm/java-1.5.0 ] && JAVA_VERSION=1.5.0
+	[ -d /usr/lib/jvm/java-1.6.0 ] && JAVA_VERSION=1.6.0
+	[ -d /usr/lib/jvm/java-1.7.0 ] && JAVA_VERSION=1.7.0
+    fi
+
     # Jar repository for this Java standard
     JAVAVER_LIBDIR=$JAVA_LIBDIR-$JAVA_VERSION
     JAVAVER_JNIDIR=$JNI_LIBDIR-$JAVA_VERSION