diff --git a/CHANGES b/CHANGES
index a0abba26a9..f1747aa825 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,8 @@
 
+2.6-beta2-80 | 2018-11-07 11:46:34 -0600
+
+  * Support appending to vector of any (Jon Siwek, Corelight)
+
 2.6-beta2-79 | 2018-11-07 10:27:00 -0600
 
   * Fix coding conventions nits/typos (Vern Paxson, Corelight)
diff --git a/VERSION b/VERSION
index 48e96e7c51..5d586fae4e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6-beta2-79
+2.6-beta2-80
diff --git a/src/Expr.cc b/src/Expr.cc
index 3c9be75bf9..84db97b2d6 100644
--- a/src/Expr.cc
+++ b/src/Expr.cc
@@ -1485,8 +1485,9 @@ AddToExpr::AddToExpr(Expr* arg_op1, Expr* arg_op2)
 				ExprError("appending non-arithmetic to arithmetic vector");
 			}
 
-		else if ( bt1 != bt2 )
-			ExprError("incompatible vector append");
+		else if ( bt1 != bt2 && bt1 != TYPE_ANY )
+			ExprError(fmt("incompatible vector append: %s and %s",
+					  type_name(bt1), type_name(bt2)));
 
 		else
 			SetType(op1->Type()->Ref());
diff --git a/testing/btest/Baseline/language.vector-any-append/out b/testing/btest/Baseline/language.vector-any-append/out
new file mode 100644
index 0000000000..3571ae1207
--- /dev/null
+++ b/testing/btest/Baseline/language.vector-any-append/out
@@ -0,0 +1 @@
+[0, 1, 2, 3]
diff --git a/testing/btest/language/vector-any-append.bro b/testing/btest/language/vector-any-append.bro
new file mode 100644
index 0000000000..816627fbf1
--- /dev/null
+++ b/testing/btest/language/vector-any-append.bro
@@ -0,0 +1,22 @@
+# @TEST-EXEC: bro -b %INPUT >out
+# @TEST-EXEC: btest-diff out
+
+function assign(v: vector of any)
+	{
+	v[|v|] = |v|;
+	}
+
+function append(v: vector of any)
+	{
+	v += |v|;
+	}
+
+event bro_init()
+	{
+	local v: vector of count;
+	assign(v);
+	assign(v);
+	append(v);
+	append(v);
+	print v;
+	}