1 files changed, 1 insertions, 0 deletions

diff --git a/src/set/gnunet-service-set_intersection.c b/src/set/gnunet-service-set_intersection.c
index 680f91db0..9b327ec78 100644
--- a/src/set/gnunet-service-set_intersection.c
+++ b/src/set/gnunet-service-set_intersection.c
@@ -35,6 +35,7 @@
 #define CALCULATE_BF_SIZE(A, B, s, k) \
                           do { \
                             k = ceil(1 + log2((double) (2*B / (double) A)));\
+                            if (k<1) k=1; /* k can be calculated as 0 */\
                             s = ceil((double) (A * k / log(2))); \
                           } while (0)