diff --git a/src/libslic3r/Format/SL1.cpp b/src/libslic3r/Format/SL1.cpp
index ba5e89330b..5c402ef5bf 100644
--- a/src/libslic3r/Format/SL1.cpp
+++ b/src/libslic3r/Format/SL1.cpp
@@ -126,9 +126,9 @@ uqptr<sla::RasterBase> SL1Archive::create_raster() const
     return sla::create_raster_grayscale_aa(res, pxdim, gamma, tr);
 }
 
-sla::EncodedRaster SL1Archive::encode_raster(const sla::RasterBase &rst) const
+sla::RasterEncoder SL1Archive::get_encoder() const
 {
-    return rst.encode(sla::PNGRasterEncoder());    
+    return sla::PNGRasterEncoder{};
 }
 
 void SL1Archive::export_print(Zipper& zipper,
diff --git a/src/libslic3r/Format/SL1.hpp b/src/libslic3r/Format/SL1.hpp
index 1b9e95392b..fbb6d61604 100644
--- a/src/libslic3r/Format/SL1.hpp
+++ b/src/libslic3r/Format/SL1.hpp
@@ -13,7 +13,7 @@ class SL1Archive: public SLAPrinter {
     
 protected:
     uqptr<sla::RasterBase> create_raster() const override;
-    sla::EncodedRaster encode_raster(const sla::RasterBase &rst) const override;
+    sla::RasterEncoder get_encoder() const override;
     
 public:
     
diff --git a/src/libslic3r/SLAPrint.hpp b/src/libslic3r/SLAPrint.hpp
index f4b220c58c..0ad544baa2 100644
--- a/src/libslic3r/SLAPrint.hpp
+++ b/src/libslic3r/SLAPrint.hpp
@@ -374,7 +374,7 @@ protected:
     std::vector<sla::EncodedRaster> m_layers;
     
     virtual uqptr<sla::RasterBase> create_raster() const = 0;
-    virtual sla::EncodedRaster encode_raster(const sla::RasterBase &rst) const = 0;
+    virtual sla::RasterEncoder get_encoder() const = 0;
     
 public:
     virtual ~SLAPrinter() = default;
@@ -389,7 +389,7 @@ public:
                             [this, &drawfn](sla::EncodedRaster& enc, size_t idx) {
                                 auto rst = create_raster();
                                 drawfn(*rst, idx);
-                                enc = encode_raster(*rst);
+                                enc = rst->encode(get_encoder());
                             });
     }
 };