diff --git a/src/luaengineio/luaengine/LuaEngineIO.cpp b/src/luaengineio/luaengine/LuaEngineIO.cpp
index ca1d168..97e74e6 100644
--- a/src/luaengineio/luaengine/LuaEngineIO.cpp
+++ b/src/luaengineio/luaengine/LuaEngineIO.cpp
@@ -97,7 +97,7 @@ int LuaEngineIO::checkFileExists(lua_State *L_p)
 
 int LuaEngineIO::eIOBytesAvailable(lua_State *L_p)
 {
-    if (getArgumentCount(L_p) >= 2) {
+    if (getArgumentCount(L_p) >= 1) {
         void *pointer = getPointer(L_p, 1);
         if (pointer != NULL) {
             if (((QObject*)pointer)->inherits("QIODevice")) {
@@ -111,7 +111,7 @@ int LuaEngineIO::eIOBytesAvailable(lua_State *L_p)
 
 int LuaEngineIO::eIOCanReadLine(lua_State *L_p)
 {
-    if (getArgumentCount(L_p) >= 2) {
+    if (getArgumentCount(L_p) >= 1) {
         void *pointer = getPointer(L_p, 1);
         if (pointer != NULL) {
             if (((QObject*)pointer)->inherits("QIODevice")) {