1 files changed, 1 insertions, 1 deletions
diff --git a/lightup.c b/lightup.c
index 3db47f7..181c502 100644
--- a/lightup.c
+++ b/lightup.c
@@ -59,7 +59,7 @@
  */
 #if defined STANDALONE_SOLVER
 #define SOLVER_DIAGNOSTICS
-int verbose = 0;
+static int verbose = 0;
 #undef debug
 #define debug(x) printf x
 #elif defined SOLVER_DIAGNOSTICS