diff --git a/arangosh/V8Client/ImportHelper.cpp b/arangosh/V8Client/ImportHelper.cpp
index 44433fa6af..e3be48cfa6 100755
--- a/arangosh/V8Client/ImportHelper.cpp
+++ b/arangosh/V8Client/ImportHelper.cpp
@@ -56,6 +56,12 @@ using namespace std;
 
 namespace triagens {
   namespace v8client {
+    
+    ////////////////////////////////////////////////////////////////////////////////
+    /// initialise step value for progress reports
+    ////////////////////////////////////////////////////////////////////////////////
+
+    const double ImportHelper::ProgressStep = 2.0;
 
     ////////////////////////////////////////////////////////////////////////////////
     /// constructor and destructor
@@ -545,3 +551,4 @@ namespace triagens {
 
   }
 }
+