diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,7 +1,12 @@
+## 0.1.1.6 (2018-11-19)
+
+ * Reverted [#25](https://github.com/tibbe/ekg-core/pull/25), which
+   introduced a regression.
+
 ## 0.1.1.5 (2018-11-19)
 
  * GHC 8.6 support ([#28](https://github.com/tibbe/ekg-core/pull/28)).
- * Don't combine distribution if count == 0 ([#25](https://github.com/tibbe/ekg-core/pull/25)).
+ * Bugfix: avoid division by zero ([#25](https://github.com/tibbe/ekg-core/pull/25)).
 
 ## 0.1.1.4 (2018-02-27)
 
diff --git a/cbits/distrib.c b/cbits/distrib.c
--- a/cbits/distrib.c
+++ b/cbits/distrib.c
@@ -29,11 +29,6 @@
 // http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Parallel_algorithm
 void hs_distrib_combine(struct distrib* b, struct distrib* a) {
   hs_lock(&b->lock);
-
-  if (!b->count) {
-    return;
-  }
-
   const StgInt64 count = a->count + b->count;
   const StgDouble delta = b->mean - a->mean;
   const StgDouble mean = (a->count * a->mean + b->count * b->mean) / count;
diff --git a/ekg-core.cabal b/ekg-core.cabal
--- a/ekg-core.cabal
+++ b/ekg-core.cabal
@@ -1,5 +1,6 @@
+cabal-version:       1.18
 name:                ekg-core
-version:             0.1.1.5
+version:             0.1.1.6
 synopsis:            Tracking of system metrics
 description:
   This library lets you defined and track system metrics.
@@ -13,7 +14,6 @@
 category:            System
 build-type:          Simple
 extra-source-files:  CHANGES.md
-cabal-version:       >=1.10
 tested-with:         GHC == 8.6.2, GHC == 8.4.4,  GHC == 8.2.2,
                      GHC == 8.0.2, GHC == 7.10.3, GHC == 7.8.4,
                      GHC == 7.6.3