1 files changed, 5 insertions, 1 deletions
diff --git a/lowercasing_test/src/tests/lowercasing/CasingVariants.java b/lowercasing_test/src/tests/lowercasing/CasingVariants.java
index aa1bf8fcf4d..7c8fd314ce9 100644
--- a/lowercasing_test/src/tests/lowercasing/CasingVariants.java
+++ b/lowercasing_test/src/tests/lowercasing/CasingVariants.java
@@ -17,7 +17,11 @@ public class CasingVariants {
         int read = 0;
         char[] buffer = new char[5000];
         String raw;
-        File f = new File("./letters");
+        String srcDir = System.getenv("SOURCE_DIRECTORY");
+        if (srcDir == null) {
+            srcDir = ".";
+        }
+        File f = new File(srcDir + "/letters");
         StringBuilder s = new StringBuilder();
         InputStream in = new FileInputStream(f);