diff --git a/setup/so-functions b/setup/so-functions
index 3bff5d542..a5696eee5 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -1354,7 +1354,7 @@ es_heapsize() {
 	export ES_HEAP_SIZE
 
 	if [[ "$install_type" =~ ^(EVAL|MANAGERSEARCH|STANDALONE|IMPORT)$ ]]; then
-		NODE_ES_HEAP_SIZE=ES_HEAP_SIZE
+		NODE_ES_HEAP_SIZE=$ES_HEAP_SIZE
 		export NODE_ES_HEAP_SIZE
 	fi
 }
@@ -1570,7 +1570,7 @@ ls_heapsize() {
 	export LS_HEAP_SIZE
 
 	if [[ "$install_type" =~ ^(EVAL|MANAGERSEARCH|STANDALONE)$ ]]; then
-		NODE_LS_HEAP_SIZE=LS_HEAP_SIZE
+		NODE_LS_HEAP_SIZE=$LS_HEAP_SIZE
 		export NODE_LS_HEAP_SIZE
 	fi
 }