diff --git a/src/libstrongswan/asn1/asn1.h b/src/libstrongswan/asn1/asn1.h
index e0126a3b3..3a476c99b 100644
--- a/src/libstrongswan/asn1/asn1.h
+++ b/src/libstrongswan/asn1/asn1.h
@@ -18,7 +18,7 @@
  */
  
 /**
- * @defgroup asn1 asn1
+ * @defgroup asn1i asn1
  * @{ @ingroup asn1
  */
 
diff --git a/src/libstrongswan/database/database.h b/src/libstrongswan/database/database.h
index 3ed09ee13..1cf5c2542 100644
--- a/src/libstrongswan/database/database.h
+++ b/src/libstrongswan/database/database.h
@@ -14,7 +14,7 @@
  */
 
 /**
- * @defgroup database database
+ * @defgroup databasei database
  * @{ @ingroup database
  */
 
diff --git a/src/libstrongswan/fetcher/fetcher.h b/src/libstrongswan/fetcher/fetcher.h
index 5cd021d4e..4fc37e35e 100644
--- a/src/libstrongswan/fetcher/fetcher.h
+++ b/src/libstrongswan/fetcher/fetcher.h
@@ -14,7 +14,7 @@
  */
 
 /**
- * @defgroup fetcher fetcher
+ * @defgroup fetcheri fetcher
  * @{ @ingroup fetcher
  */