diff --git a/microservices/build.sh b/microservices/build.sh
index d918d9b..e984511 100755
--- a/microservices/build.sh
+++ b/microservices/build.sh
@@ -2,12 +2,14 @@
 
 # --- Settings
 RegistryService=cloud21.cvtt.vpn:5500
-ValidImages=(md_gateway)
-ValidImages=(oe_gateway)
-ValidImages=(ac_gateway)
-ValidImages=(pricer)
-ValidImages=(coordinator)
-ValidImages=(bookkeeper)
+
+ValidImages=()
+ValidImages+=(md_gateway)
+ValidImages+=(oe_gateway)
+ValidImages+=(ac_gateway)
+ValidImages+=(pricer)
+ValidImages+=(coordinator)
+ValidImages+=(bookkeeper)
 ValidImages+=(risk_manager)
 ValidImages+=(quant)
 ValidImages+=(trader)