diff --git a/tools/gpgconf-comp.c b/tools/gpgconf-comp.c
index 75ba37507..50b93b404 100644
--- a/tools/gpgconf-comp.c
+++ b/tools/gpgconf-comp.c
@@ -619,6 +619,10 @@ static struct
 
 } gc_component[GC_COMPONENT_NR] =
   {
+   /* Note: The order of the items must match the order given in the
+    * gc_component_id_t enumeration.  The order is often used by
+    * frontends to display the backend options thus do not change the
+    * order without considering the user experience.  */
    { NULL },   /* DUMMY for GC_COMPONENT_ANY */
 
    { GPG_NAME,  GPG_DISP_NAME,     "gnupg",  N_("OpenPGP"),
diff --git a/tools/gpgconf.h b/tools/gpgconf.h
index 6494a2069..83aee9a09 100644
--- a/tools/gpgconf.h
+++ b/tools/gpgconf.h
@@ -55,15 +55,15 @@ typedef enum
     /* The classic GPG for OpenPGP.  */
     GC_COMPONENT_GPG,
 
+    /* GPG for S/MIME.  */
+    GC_COMPONENT_GPGSM,
+
     /* The GPG Agent.  */
     GC_COMPONENT_GPG_AGENT,
 
     /* The Smardcard Daemon.  */
     GC_COMPONENT_SCDAEMON,
 
-    /* GPG for S/MIME.  */
-    GC_COMPONENT_GPGSM,
-
     /* The LDAP Directory Manager for CRLs.  */
     GC_COMPONENT_DIRMNGR,