1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tclDate.c b/generic/tclDate.c
index eabd37a..94b3caf 100644
--- a/generic/tclDate.c
+++ b/generic/tclDate.c
@@ -178,7 +178,7 @@ typedef struct DateInfo {
     time_t dateDayNumber;
     int dateHaveDay;
 
-    char *dateInput;
+    const char *dateInput;
     time_t *dateRelPointer;
 
     int dateDigitCount;