1 files changed, 4 insertions, 0 deletions
diff --git a/src/main.h b/src/main.h
index bf45ec55..95fa99bb 100644
--- a/src/main.h
+++ b/src/main.h
@@ -38,6 +38,10 @@
 #include <stdio.h>
 #include <memory>
 
+#ifndef TMW_DATADIR
+#define TMW_DATADIR ""
+#endif
+
 #ifdef ERROR
 #undef ERROR
 #endif