diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp
index 16046ef053b2..8987a491cb61 100644
--- a/modules/text_server_adv/text_server_adv.cpp
+++ b/modules/text_server_adv/text_server_adv.cpp
@@ -338,6 +338,7 @@ _FORCE_INLINE_ bool is_connected_to_prev(char32_t p_chr, char32_t p_pchr) {
 /*************************************************************************/
 
 bool TextServerAdvanced::icu_data_loaded = false;
+PackedByteArray TextServerAdvanced::icu_data;
 
 bool TextServerAdvanced::_has_feature(Feature p_feature) const {
 	switch (p_feature) {
@@ -438,7 +439,7 @@ bool TextServerAdvanced::_load_support_data(const String &p_filename) {
 			return false;
 		}
 		uint64_t len = f->get_length();
-		PackedByteArray icu_data = f->get_buffer(len);
+		icu_data = f->get_buffer(len);
 
 		UErrorCode err = U_ZERO_ERROR;
 		udata_setCommonData(icu_data.ptr(), &err);
@@ -476,10 +477,10 @@ bool TextServerAdvanced::_save_support_data(const String &p_filename) const {
 		return false;
 	}
 
-	PackedByteArray icu_data;
-	icu_data.resize(U_ICUDATA_SIZE);
-	memcpy(icu_data.ptrw(), U_ICUDATA_ENTRY_POINT, U_ICUDATA_SIZE);
-	f->store_buffer(icu_data);
+	PackedByteArray icu_data_static;
+	icu_data_static.resize(U_ICUDATA_SIZE);
+	memcpy(icu_data_static.ptrw(), U_ICUDATA_ENTRY_POINT, U_ICUDATA_SIZE);
+	f->store_buffer(icu_data_static);
 
 	return true;
 #else
diff --git a/modules/text_server_adv/text_server_adv.h b/modules/text_server_adv/text_server_adv.h
index f1932d9c5050..6ce2692fd3f4 100644
--- a/modules/text_server_adv/text_server_adv.h
+++ b/modules/text_server_adv/text_server_adv.h
@@ -158,6 +158,7 @@ class TextServerAdvanced : public TextServerExtension {
 	// ICU support data.
 
 	static bool icu_data_loaded;
+	static PackedByteArray icu_data;
 	mutable USet *allowed = nullptr;
 	mutable USpoofChecker *sc_spoof = nullptr;
 	mutable USpoofChecker *sc_conf = nullptr;