diff --git a/java_zip.mk b/java_zip.mk
index 3621bad..00bf283 100644
--- a/java_zip.mk
+++ b/java_zip.mk
@@ -16,7 +16,7 @@ run:
 	java --enable-preview -cp $(BIN_DIR) $(ENTRY)
 
 compilation:
-	find $(SRC) -name "*.java" -print | xargs javac -d $(BIN_DIR)
+	find $(SRC_DIR) -name "*.java" -print | xargs javac -d $(BIN_DIR)
 
 all:
 	run