diff --git a/psi/version.h b/psi/version.h
index c02e4d8..cf086d5 100644
--- a/psi/version.h
+++ b/psi/version.h
@@ -17,4 +17,4 @@
 #define PSI_VERSION_MAJOR 0
 #define PSI_VERSION_MINOR 4
 #define PSI_VERSION_PATCH 2
-#define PSI_DEV_IDENTIFIER ".b0"
+#define PSI_DEV_IDENTIFIER "b0"