1 files changed, 1 insertions, 1 deletions
diff --git a/expr.h b/expr.h
index 3946cf0..065716d 100644
--- a/expr.h
+++ b/expr.h
@@ -62,7 +62,7 @@ typedef	struct _LookupPriv {
 } LookupPriv;
 
 typedef struct _LookupEntry {
-    char *	name;
+    const char *name;
     unsigned	result;
 } LookupEntry;