diff --git a/core/core_bind.cpp b/core/core_bind.cpp
index a15085bcde5..168d5c0e56c 100644
--- a/core/core_bind.cpp
+++ b/core/core_bind.cpp
@@ -1142,6 +1142,9 @@ Variant Marshalls::base64_to_variant(const String &p_str, bool p_allow_objects)
 }
 
 String Marshalls::raw_to_base64(const Vector<uint8_t> &p_arr) {
+	if (p_arr.is_empty()) {
+		return "";
+	}
 	String ret = CryptoCore::b64_encode_str(p_arr.ptr(), p_arr.size());
 	ERR_FAIL_COND_V(ret.is_empty(), ret);
 	return ret;
@@ -1165,6 +1168,9 @@ Vector<uint8_t> Marshalls::base64_to_raw(const String &p_str) {
 }
 
 String Marshalls::utf8_to_base64(const String &p_str) {
+	if (p_str.is_empty()) {
+		return "";
+	}
 	CharString cstr = p_str.utf8();
 	String ret = CryptoCore::b64_encode_str((unsigned char *)cstr.get_data(), cstr.length());
 	ERR_FAIL_COND_V(ret.is_empty(), ret);