1 files changed, 5 insertions, 0 deletions

diff --git a/enigma/src/main/java/cuchaz/enigma/utils/I18n.java b/enigma/src/main/java/cuchaz/enigma/utils/I18n.java
index 4648dec..3c8c238 100644
--- a/enigma/src/main/java/cuchaz/enigma/utils/I18n.java
+++ b/enigma/src/main/java/cuchaz/enigma/utils/I18n.java
@@ -101,6 +101,11 @@ public class I18n {
                         List<String> availableTranslations;
 
                         try (InputStream is = cl.getResourceAsStream("lang/index.txt")) {
+                                if (is == null) {
+                                        // This scenario should only really happen when launching from an IDE that does not run the necessary gradle tasks
+                                        throw new IOException("Resource 'lang/index.txt' not found");
+                                }
+
                                 availableTranslations = Arrays.asList(
                                                 new String(is.readAllBytes(), StandardCharsets.UTF_8)
                                                                 .split("\n")