diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index 514a22fa6bc..0e34aa97b7c 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -2117,7 +2117,7 @@ PoolVector<uint8_t> _File::get_buffer(int p_length) const {
 	w.release();
 
 	if (len < p_length)
-		data.resize(p_length);
+		data.resize(len);
 
 	return data;
 }