diff --git a/core/reios/reios.cpp b/core/reios/reios.cpp
index bb699d848..37b32c465 100644
--- a/core/reios/reios.cpp
+++ b/core/reios/reios.cpp
@@ -103,7 +103,7 @@ char reios_maker_id[17];
 char reios_device_info[17];
 char reios_area_symbols[9];
 char reios_peripherals[9];
-char reios_product_number[9];
+char reios_product_number[11];
 char reios_product_version[7];
 char reios_releasedate[17];
 char reios_boot_filename[17];
@@ -140,7 +140,7 @@ char* reios_disk_id() {
 	memcpy(&reios_device_info[0], &ip_bin[32],   16 * sizeof(char));
 	memcpy(&reios_area_symbols[0], &ip_bin[48],   8 * sizeof(char));
 	memcpy(&reios_peripherals[0], &ip_bin[56],   8 * sizeof(char));
-	memcpy(&reios_product_number[0], &ip_bin[64],   8 * sizeof(char));
+	memcpy(&reios_product_number[0], &ip_bin[64],   10 * sizeof(char));
 	memcpy(&reios_product_version[0], &ip_bin[74],   6 * sizeof(char));
 	memcpy(&reios_releasedate[0], &ip_bin[80],   16 * sizeof(char));
 	memcpy(&reios_boot_filename[0], &ip_bin[96],   16 * sizeof(char));
diff --git a/shell/android-studio/reicast/src/main/jni/src/Android.cpp b/shell/android-studio/reicast/src/main/jni/src/Android.cpp
index 8f8014e29..aeceb223c 100644
--- a/shell/android-studio/reicast/src/main/jni/src/Android.cpp
+++ b/shell/android-studio/reicast/src/main/jni/src/Android.cpp
@@ -365,7 +365,7 @@ JNIEXPORT void JNICALL Java_com_reicast_emulator_emu_JNIdc_query(JNIEnv *env,job
 {
     jmethodID reiosInfoMid=env->GetMethodID(env->GetObjectClass(emu_thread),"reiosInfo","(Ljava/lang/String;Ljava/lang/String;)V");
 
-    char *id = (char*)malloc(9);
+    char *id = (char*)malloc(11);
     strcpy(id, reios_disk_id());
     jstring reios_id = env->NewStringUTF(id);