diff --git a/Code/IO/otbVectorImage.h b/Code/IO/otbVectorImage.h
index 981acc4c3245f7b24488dd148ba5d1547308cfff..0d771f4f4f0abd2591324a2db81e760abf8c5250 100644
--- a/Code/IO/otbVectorImage.h
+++ b/Code/IO/otbVectorImage.h
@@ -117,6 +117,7 @@ public:
   virtual unsigned int GetGCPCount(void) const;
 
   virtual OTB_GCP& GetGCPs(unsigned int GCPnum);
+  virtual const OTB_GCP& GetGCPs(unsigned int GCPnum) const;
 
   virtual std::string GetGCPId(unsigned int GCPnum) const;
   virtual std::string GetGCPInfo(unsigned int GCPnum) const;
diff --git a/Code/IO/otbVectorImage.txx b/Code/IO/otbVectorImage.txx
index 54b386668fe800f8352d5e12e8c23d31f1008c2c..eae71e80846bac11c49c05a0880d67be70a11b9f 100644
--- a/Code/IO/otbVectorImage.txx
+++ b/Code/IO/otbVectorImage.txx
@@ -56,6 +56,12 @@ OTB_GCP& VectorImage<TPixel, VImageDimension>::GetGCPs(unsigned int GCPnum)
   return (this->GetMetaDataInterface()->GetGCPs(GCPnum));
 }
 
+template <class TPixel, unsigned int VImageDimension>
+const OTB_GCP& VectorImage<TPixel, VImageDimension>::GetGCPs(unsigned int GCPnum) const
+{
+  return (this->GetMetaDataInterface()->GetGCPs(GCPnum));
+}
+
 template <class TPixel, unsigned int VImageDimension>
 std::string VectorImage<TPixel, VImageDimension>::GetGCPId(unsigned int GCPnum) const
 {