diff --git a/src/fix_ave_time.cpp b/src/fix_ave_time.cpp
index 3eeed90e2f..bd8ed1468d 100644
--- a/src/fix_ave_time.cpp
+++ b/src/fix_ave_time.cpp
@@ -895,7 +895,7 @@ void FixAveTime::invoke_vector(bigint ntimestep)
 
 int FixAveTime::column_length(int dynamic)
 {
-  int m,length,lengthone;
+  int length,lengthone;
 
   // determine nrows for static values