diff --git a/AltStore.xcconfig b/AltStore.xcconfig
new file mode 100644
index 00000000..3366003e
--- /dev/null
+++ b/AltStore.xcconfig
@@ -0,0 +1,3 @@
+#include "Build.xcconfig"
+
+PRODUCT_BUNDLE_IDENTIFIER = $(PRODUCT_BUNDLE_IDENTIFIER)
diff --git a/AltStoreCore.xcconfig b/AltStoreCore.xcconfig
new file mode 100644
index 00000000..7bbddb2e
--- /dev/null
+++ b/AltStoreCore.xcconfig
@@ -0,0 +1,6 @@
+#include "Build.xcconfig"
+
+// Since AltStoreCore is unsigned or the team is not configured, we re-define the bundle ID here to not have extra '.'
+// This bundle ID doesn't need to change since altStoreCore framework lives inside SideStore main app's address space and won't have conflicts with other instances
+BUNDLE_ID = $(ORG_PREFIX).SideStore
+PRODUCT_BUNDLE_IDENTIFIER = $(BUNDLE_ID).AltStoreCore