diff --git a/config/versions.mk b/config/versions.mk
index c9274b8..d2fb3ba 100644
--- a/config/versions.mk
+++ b/config/versions.mk
@@ -4,6 +4,10 @@
 BLISS_VERSION_MINOR = 2
 # BLISS_VERSION_MAINTENANCE = Stable
 
+ifneq ($(SIGNING_KEYS),)
+    PRODUCT_DEFAULT_DEV_CERTIFICATE := $(SIGNING_KEYS)/releasekey
+endif
+
 # Bliss Android version
 BLISS_VERSION_STATIC = 11.0