diff --git a/engine/client/sys_sdl.c b/engine/client/sys_sdl.c
index 0c5d61684..6346d48f4 100644
--- a/engine/client/sys_sdl.c
+++ b/engine/client/sys_sdl.c
@@ -218,7 +218,7 @@ int Sys_EnumerateFiles (const char *gpath, const char *match, int (*func)(const
 }
 #elif defined(linux) || defined(__unix__) || defined(__MACH__)
 #include <dirent.h>
-int Sys_EnumerateFiles (const char *gpath, const char *match, int (*func)(const char *, int, void *, void *), void *parm, void *spath)
+int Sys_EnumerateFiles (const char *gpath, const char *match, int (*func)(const char *, int, void *, searchpathfuncs_t *), void *parm, searchpathfuncs_t *spath)
 {
 	DIR *dir;
 	char apath[MAX_OSPATH];
diff --git a/engine/common/plugin.c b/engine/common/plugin.c
index 547f1f130..1cfd7d780 100644
--- a/engine/common/plugin.c
+++ b/engine/common/plugin.c
@@ -785,7 +785,7 @@ static qintptr_t VARGS Plug_Cmd_AddCommand(void *offset, quintptr_t mask, const
 		if (plugincommandarray[i].plugin == currentplug)
 		{
 			if (!strcmp(name, plugincommandarray[i].command))
-				break;
+				return true;	//already registered
 		}
 	}
 	if (i == plugincommandarraylen)
diff --git a/engine/http/httpclient.c b/engine/http/httpclient.c
index 6e0636deb..0e6508ff0 100644
--- a/engine/http/httpclient.c
+++ b/engine/http/httpclient.c
@@ -141,7 +141,7 @@ static void DL_OnProgress(void *c, int position, int totalsize)
 }
 
 //this becomes a poll function. the main thread will call this once a frame or so.
-qboolean HTTPDL_Decide(struct dl_download *dl)
+qboolean DL_Decide(struct dl_download *dl)
 {
 	const char *url = dl->redir;
 	if (!*url)