diff --git a/.gitattributes b/.gitattributes
index 26078606a7..082db01626 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -9766,6 +9766,7 @@ tests/test/talign2.pp svneol=native#text/plain
 tests/test/targ1a.pp svneol=native#text/plain
 tests/test/targ1b.pp svneol=native#text/plain
 tests/test/tarray1.pp svneol=native#text/plain
+tests/test/tarray10.pp svneol=native#text/plain
 tests/test/tarray2.pp svneol=native#text/plain
 tests/test/tarray3.pp svneol=native#text/plain
 tests/test/tarray4.pp svneol=native#text/plain
diff --git a/compiler/ncgcal.pas b/compiler/ncgcal.pas
index 8a52b887f3..5e91f1b09f 100644
--- a/compiler/ncgcal.pas
+++ b/compiler/ncgcal.pas
@@ -169,11 +169,16 @@ implementation
                  location_get_data_ref(current_asmdata.CurrAsmList,left.location,href,false,sizeof(pint));
                  if is_open_array(resultdef) then
                    begin
-                     if third=nil then
-                       InternalError(201103063);
-                     secondpass(third);
-                     cg.g_array_rtti_helper(current_asmdata.CurrAsmList,tarraydef(resultdef).elementdef,
-                       href,third.location,'FPC_DECREF_ARRAY');
+                     { if elementdef is not managed, omit fpc_decref_array
+                       because it won't do anything anyway }
+                     if is_managed_type(tarraydef(resultdef).elementdef) then
+                       begin
+                         if third=nil then
+                           InternalError(201103063);
+                         secondpass(third);
+                         cg.g_array_rtti_helper(current_asmdata.CurrAsmList,tarraydef(resultdef).elementdef,
+                           href,third.location,'FPC_DECREF_ARRAY');
+                       end;
                    end
                  else
                    cg.g_decrrefcount(current_asmdata.CurrAsmList,left.resultdef,href);
diff --git a/tests/test/tarray10.pp b/tests/test/tarray10.pp
new file mode 100644
index 0000000000..c848845aa7
--- /dev/null
+++ b/tests/test/tarray10.pp
@@ -0,0 +1,18 @@
+{$mode objfpc}{$h+}
+
+procedure SetArray(out SingleArray: array of Single; const Value: Single);
+var
+  I: Integer;
+begin
+  for I := Low(SingleArray) to High(SingleArray) do
+    SingleArray[I] := Value;
+end;
+
+var
+  ValuesBuffer: array of Single;
+
+begin
+  SetLength(ValuesBuffer, 5);
+  { passing <dynamic array of unmanaged type> to <out open array> should not trigger IE 201103063 }
+  SetArray(ValuesBuffer, 5.7);
+end.