diff --git a/retail/arm9/source/conf_sd.cpp b/retail/arm9/source/conf_sd.cpp
index 71a3581c3..fc163a9f6 100644
--- a/retail/arm9/source/conf_sd.cpp
+++ b/retail/arm9/source/conf_sd.cpp
@@ -1020,7 +1020,7 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
 	fclose(donorNdsFile);
 
 	if (!conf->gameOnFlashcard && !conf->saveOnFlashcard) {
-		if (romTid[0] != 'I' && memcmp(romTid, "UZP", 3) != 0) {
+		if (romTid[0] != 'I' && memcmp(romTid, "UZP", 3) != 0 && memcmp(romTid, "HND", 3) != 0) {
 			disableSlot1();
 		} else {
 			// Initialize card and read header, HGSS IR doesn't work if you don't read the full header
@@ -1075,8 +1075,8 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
 
 			sysSetCardOwner(BUS_OWNER_ARM7);
 
-			// Leave Slot-1 enabled for IR cartridges and Battle & Get: Pokémon Typing DS
-			conf->specialCard = (headerData[0xC] == 'I' || memcmp(headerData + 0xC, "UZP", 3) == 0);
+			// Leave Slot-1 enabled for IR cartridges, Battle & Get: Pokémon Typing DS, and DS Download Play
+			conf->specialCard = (headerData[0xC] == 'I' || memcmp(headerData + 0xC, "UZP", 3) == 0 || memcmp(romTid, "HND", 3) == 0);
 			if (conf->specialCard) {
 				conf->valueBits2 |= BIT(4);
 			} else {