diff --git a/engine/common/con_utils.c b/engine/common/con_utils.c
index c038efd4..483560d2 100644
--- a/engine/common/con_utils.c
+++ b/engine/common/con_utils.c
@@ -1073,7 +1073,7 @@ for various cmds
 */
 static qboolean Cmd_AutocompleteName( const char *source, int arg, char *buffer, size_t bufsize )
 {
-	autocomplete_list_t	*list;
+	const autocomplete_list_t	*list;
 
 	for( list = cmd_list; list->name; list++ )
 	{
diff --git a/engine/common/mod_bmodel.c b/engine/common/mod_bmodel.c
index db353140..8520b484 100644
--- a/engine/common/mod_bmodel.c
+++ b/engine/common/mod_bmodel.c
@@ -347,7 +347,7 @@ Mod_LoadLump
 generic loader
 =================
 */
-static void Mod_LoadLump( const byte *in, mlumpinfo_t *info, mlumpstat_t *stat, int flags )
+static void Mod_LoadLump( const byte *in, const mlumpinfo_t *info, mlumpstat_t *stat, int flags )
 {
 	int	version = ((dheader_t *)in)->version;
 	size_t	numelems, real_entrysize;
diff --git a/engine/server/sv_client.c b/engine/server/sv_client.c
index 06d1772d..17bb1248 100644
--- a/engine/server/sv_client.c
+++ b/engine/server/sv_client.c
@@ -3072,7 +3072,7 @@ SV_ExecuteUserCommand
 */
 static void SV_ExecuteClientCommand( sv_client_t *cl, const char *s )
 {
-	ucmd_t	*u;
+	const ucmd_t	*u;
 
 	Cmd_TokenizeString( s );