diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c
index a5e1fadac9b..238a63aad09 100644
--- a/dlls/ntdll/thread.c
+++ b/dlls/ntdll/thread.c
@@ -28,9 +28,6 @@
 #ifdef HAVE_SYS_MMAN_H
 #include <sys/mman.h>
 #endif
-#ifdef HAVE_SYS_PRCTL_H
-# include <sys/prctl.h>
-#endif
 #ifdef HAVE_SYS_TIMES_H
 #include <sys/times.h>
 #endif
@@ -187,67 +184,6 @@ int __cdecl __wine_dbg_output( const char *str )
     return unix_funcs->dbg_output( str );
 }
 
-/***********************************************************************
- *           set_process_name
- *
- * Change the process name in the ps output.
- */
-static void set_process_name( int argc, char *argv[] )
-{
-    BOOL shift_strings;
-    char *p, *name;
-    int i;
-
-#ifdef HAVE_SETPROCTITLE
-    setproctitle("-%s", argv[1]);
-    shift_strings = FALSE;
-#else
-    p = argv[0];
-
-    shift_strings = (argc >= 2);
-    for (i = 1; i < argc; i++)
-    {
-        p += strlen(p) + 1;
-        if (p != argv[i])
-        {
-            shift_strings = FALSE;
-            break;
-        }
-    }
-#endif
-
-    if (shift_strings)
-    {
-        int offset = argv[1] - argv[0];
-        char *end = argv[argc-1] + strlen(argv[argc-1]) + 1;
-        memmove( argv[0], argv[1], end - argv[1] );
-        memset( end - offset, 0, offset );
-        for (i = 1; i < argc; i++)
-            argv[i-1] = argv[i] - offset;
-        argv[i-1] = NULL;
-    }
-    else
-    {
-        /* remove argv[0] */
-        memmove( argv, argv + 1, argc * sizeof(argv[0]) );
-    }
-
-    name = argv[0];
-    if ((p = strrchr( name, '\\' ))) name = p + 1;
-    if ((p = strrchr( name, '/' ))) name = p + 1;
-
-#if defined(HAVE_SETPROGNAME)
-    setprogname( name );
-#endif
-
-#ifdef HAVE_PRCTL
-#ifndef PR_SET_NAME
-# define PR_SET_NAME 15
-#endif
-    prctl( PR_SET_NAME, name );
-#endif  /* HAVE_PRCTL */
-}
-
 HANDLE user_shared_data_init_done(void)
 {
     static const WCHAR wine_usdW[] = {'\\','K','e','r','n','e','l','O','b','j','e','c','t','s',
@@ -382,7 +318,6 @@ TEB *thread_init(void)
 
     unix_funcs->dbg_init();
     unix_funcs->get_paths( &build_dir, &data_dir, &config_dir );
-    set_process_name( __wine_main_argc, __wine_main_argv );
 
     /* initialize time values in user_shared_data */
     NtQuerySystemTime( &now );
diff --git a/dlls/ntdll/unix/loader.c b/dlls/ntdll/unix/loader.c
index 1ba6f686fb0..d4480e86f08 100644
--- a/dlls/ntdll/unix/loader.c
+++ b/dlls/ntdll/unix/loader.c
@@ -38,6 +38,9 @@
 #ifdef HAVE_SYS_MMAN_H
 # include <sys/mman.h>
 #endif
+#ifdef HAVE_SYS_PRCTL_H
+# include <sys/prctl.h>
+#endif
 #ifdef HAVE_SYS_RESOURCE_H
 # include <sys/resource.h>
 #endif
@@ -1192,6 +1195,68 @@ static int pre_exec(void)
 #endif
 
 
+/***********************************************************************
+ *           set_process_name
+ *
+ * Change the process name in the ps output.
+ */
+static void set_process_name( int argc, char *argv[] )
+{
+    BOOL shift_strings;
+    char *p, *name;
+    int i;
+
+#ifdef HAVE_SETPROCTITLE
+    setproctitle("-%s", argv[1]);
+    shift_strings = FALSE;
+#else
+    p = argv[0];
+
+    shift_strings = (argc >= 2);
+    for (i = 1; i < argc; i++)
+    {
+        p += strlen(p) + 1;
+        if (p != argv[i])
+        {
+            shift_strings = FALSE;
+            break;
+        }
+    }
+#endif
+
+    if (shift_strings)
+    {
+        int offset = argv[1] - argv[0];
+        char *end = argv[argc-1] + strlen(argv[argc-1]) + 1;
+        memmove( argv[0], argv[1], end - argv[1] );
+        memset( end - offset, 0, offset );
+        for (i = 1; i < argc; i++)
+            argv[i-1] = argv[i] - offset;
+        argv[i-1] = NULL;
+    }
+    else
+    {
+        /* remove argv[0] */
+        memmove( argv, argv + 1, argc * sizeof(argv[0]) );
+    }
+
+    name = argv[0];
+    if ((p = strrchr( name, '\\' ))) name = p + 1;
+    if ((p = strrchr( name, '/' ))) name = p + 1;
+
+#if defined(HAVE_SETPROGNAME)
+    setprogname( name );
+#endif
+
+#ifdef HAVE_PRCTL
+#ifndef PR_SET_NAME
+# define PR_SET_NAME 15
+#endif
+    prctl( PR_SET_NAME, name );
+#endif  /* HAVE_PRCTL */
+}
+
+
 /***********************************************************************
  *           check_command_line
  *
@@ -1260,6 +1325,7 @@ void __wine_main( int argc, char *argv[], char *envp[] )
     module = load_ntdll();
     fixup_ntdll_imports( &__wine_spec_nt_header, module );
 
+    set_process_name( argc, argv );
     init_unix_codepage();
 
 #ifdef __APPLE__
@@ -1294,6 +1360,7 @@ NTSTATUS __cdecl __wine_init_unix_lib( HMODULE module, const void *ptr_in, void
 
     map_so_dll( nt, module );
     fixup_ntdll_imports( &__wine_spec_nt_header, module );
+    set_process_name( __wine_main_argc, __wine_main_argv );
     init_unix_codepage();
     *(struct unix_funcs **)ptr_out = &unix_funcs;
     wine_mmap_enum_reserved_areas( add_area, NULL, 0 );