diff --git a/core/product_config.mk b/core/product_config.mk
index 2cd801633..3cd2f23d7 100644
--- a/core/product_config.mk
+++ b/core/product_config.mk
@@ -482,7 +482,7 @@ PRODUCT_CFI_INCLUDE_PATHS := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_CFI_INCLUDE_PATHS))
 
 # which Soong namespaces to export to Make
-PRODUCT_SOONG_NAMESPACES :=
+PRODUCT_SOONG_NAMESPACES := \
     $(strip $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SOONG_NAMESPACES))
 
 # A flag to override PRODUCT_COMPATIBLE_PROPERTY