diff --git a/bigtop-packages/src/common/hadoop/do-component-build b/bigtop-packages/src/common/hadoop/do-component-build
index 60ff0de965..668bb24470 100644
--- a/bigtop-packages/src/common/hadoop/do-component-build
+++ b/bigtop-packages/src/common/hadoop/do-component-build
@@ -124,7 +124,7 @@ mkdir build
 mkdir build/src
  
 # Build artifacts
-MAVEN_OPTS="-Dzookeeper.version=$ZOOKEEPER_VERSION "
+MAVEN_OPTS="$MAVEN_OPTS -Dzookeeper.version=$ZOOKEEPER_VERSION "
 MAVEN_OPTS+="-Dleveldbjni.group=org.fusesource.leveldbjni "
 MAVEN_OPTS+="-DskipTests -DskipITs "
 
diff --git a/bigtop-packages/src/common/hbase/do-component-build b/bigtop-packages/src/common/hbase/do-component-build
index fe3d25873f..419f8fad18 100644
--- a/bigtop-packages/src/common/hbase/do-component-build
+++ b/bigtop-packages/src/common/hbase/do-component-build
@@ -18,7 +18,7 @@ set -ex
 
 . `dirname $0`/bigtop.bom
 
-export MAVEN_OPTS="-Xmx1024m"
+export MAVEN_OPTS="$MAVEN_OPTS -Xmx1024m"
 
 MVN_ARGS="-Phadoop-3.0 "
 MVN_ARGS+="-Dhadoop-three.version=${HADOOP_VERSION} "