diff --git a/src/main/scala/leon/frontends/scalac/CodeExtraction.scala b/src/main/scala/leon/frontends/scalac/CodeExtraction.scala
index 54494713006989f356b8174088a79402c5b1e4b0..aa1e07e3c0c98834a538c633558be2c37875794b 100644
--- a/src/main/scala/leon/frontends/scalac/CodeExtraction.scala
+++ b/src/main/scala/leon/frontends/scalac/CodeExtraction.scala
@@ -1387,6 +1387,9 @@ trait CodeExtraction extends ASTExtractors {
           val rr = extractTree(r)
 
           (rl, rr) match {
+            case (IsTyped(_, ArrayType(_)), IsTyped(_, ArrayType(_))) =>
+              outOfSubsetError(tr, "Leon does not support array comparison")
+
             case (IsTyped(_, rt), IsTyped(_, lt)) if typesCompatible(lt, rt) =>
               Not(Equals(rl, rr))
 
@@ -1405,6 +1408,9 @@ trait CodeExtraction extends ASTExtractors {
           val rr = extractTree(r)
 
           (rl, rr) match {
+            case (IsTyped(_, ArrayType(_)), IsTyped(_, ArrayType(_))) =>
+              outOfSubsetError(tr, "Leon does not support array comparison")
+
             case (IsTyped(_, rt), IsTyped(_, lt)) if typesCompatible(lt, rt) =>
               Equals(rl, rr)
 
diff --git a/src/test/resources/regression/frontends/error/simple/ArrayEquals1.scala b/src/test/resources/regression/frontends/error/simple/ArrayEquals1.scala
new file mode 100644
index 0000000000000000000000000000000000000000..39a9c4b2be2fd3a581ee3209f0d83f16dc8e03b7
--- /dev/null
+++ b/src/test/resources/regression/frontends/error/simple/ArrayEquals1.scala
@@ -0,0 +1,10 @@
+package leon.lang._
+
+object ArrayEqual1 {
+
+  def f: Boolean = {
+    Array(1,2,3) == Array(1,2,3)
+  } ensuring(res => res)
+
+}
+
diff --git a/src/test/resources/regression/frontends/error/simple/ArrayEquals2.scala b/src/test/resources/regression/frontends/error/simple/ArrayEquals2.scala
new file mode 100644
index 0000000000000000000000000000000000000000..2035e0d45c3cc8236009c5b70f0c0e2ac3b95124
--- /dev/null
+++ b/src/test/resources/regression/frontends/error/simple/ArrayEquals2.scala
@@ -0,0 +1,10 @@
+package leon.lang._
+
+object ArrayEqual2 {
+
+  def f: Boolean = {
+    Array(1,2,3) != Array(1,2,3)
+  } ensuring(res => !res)
+
+}
+