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-rw-r--r--epan/circuit.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/epan/circuit.c b/epan/circuit.c
index 16ba732254..7bab6ca17a 100644
--- a/epan/circuit.c
+++ b/epan/circuit.c
@@ -98,6 +98,7 @@ circuit_cleanup(void)
void
circuit_init(void)
{
+ g_assert(circuit_hashtable == NULL);
circuit_hashtable = g_hash_table_new(circuit_hash, circuit_match);
/*