diff --git a/modules/text_server_adv/text_server_adv.h b/modules/text_server_adv/text_server_adv.h
index 53afde34a59..2f09a7cfb2a 100644
--- a/modules/text_server_adv/text_server_adv.h
+++ b/modules/text_server_adv/text_server_adv.h
@@ -379,7 +379,7 @@ class TextServerAdvanced : public TextServerExtension {
 		HashMap<String, bool> script_support_overrides;
 
 		PackedByteArray data;
-		const uint8_t *data_ptr;
+		const uint8_t *data_ptr = nullptr;
 		size_t data_size;
 		int face_index = 0;
 
diff --git a/modules/text_server_fb/text_server_fb.h b/modules/text_server_fb/text_server_fb.h
index 99cb2ed7951..b48ffca8d49 100644
--- a/modules/text_server_fb/text_server_fb.h
+++ b/modules/text_server_fb/text_server_fb.h
@@ -306,7 +306,7 @@ class TextServerFallback : public TextServerExtension {
 		HashMap<String, bool> script_support_overrides;
 
 		PackedByteArray data;
-		const uint8_t *data_ptr;
+		const uint8_t *data_ptr = nullptr;
 		size_t data_size;
 		int face_index = 0;