diff --git a/lua.c b/lua.c
index 5b5700f1a..04257801a 100644
--- a/lua.c
+++ b/lua.c
@@ -660,7 +660,7 @@ luaA_parserc(const char *confpatharg)
         confpath = p_new(char, len);
         a_strcpy(confpath, len, confdir);
         /* update package.path */
-        snprintf(path, sizeof(path) - 1, "package.path = package.path .. \";%s/awesome/?.lua\"", confdir);
+        snprintf(path, sizeof(path), "package.path = package.path .. \";%s/awesome/?.lua\"", confdir);
         luaA_dostring(globalconf.L, path);
     }
     else
@@ -671,7 +671,7 @@ luaA_parserc(const char *confpatharg)
         a_strcpy(confpath, len, confdir);
         a_strcat(confpath, len, XDG_CONFIG_HOME_DEFAULT);
         /* update package.path */
-        snprintf(path, sizeof(path) - 1, "package.path = package.path .. \";%s" XDG_CONFIG_HOME_DEFAULT "/awesome/?.lua\"", confdir);
+        snprintf(path, sizeof(path), "package.path = package.path .. \";%s" XDG_CONFIG_HOME_DEFAULT "/awesome/?.lua\"", confdir);
         luaA_dostring(globalconf.L, path);
     }
     a_strcat(confpath, len, AWESOME_CONFIG_FILE);
@@ -698,7 +698,7 @@ luaA_parserc(const char *confpatharg)
         confpath = p_new(char, len);
         a_strcpy(confpath, len, *buf);
         a_strcat(confpath, len, AWESOME_CONFIG_FILE);
-        snprintf(path, sizeof(path) - 1, "package.path = package.path .. \";%s/awesome/?.lua\"", *buf);
+        snprintf(path, sizeof(path), "package.path = package.path .. \";%s/awesome/?.lua\"", *buf);
         luaA_dostring(globalconf.L, path);
         if(luaL_dofile(globalconf.L, confpath))
             fprintf(stderr, "%s\n", lua_tostring(globalconf.L, -1));