diff --git a/source/src/editing.cpp b/source/src/editing.cpp
index 4146b235..1d67b2dc 100644
--- a/source/src/editing.cpp
+++ b/source/src/editing.cpp
@@ -303,7 +303,7 @@ void paste()
             sel.y = sely + dy;
             if(!correctsel(sel) || sel.xs!=copyblock->xs || sel.ys!=copyblock->ys) { conoutf("incorrect selection"); return; }
             makeundo(sel);
-            blockpaste(*copyblock, sel.x, sel.y);
+            blockpaste(*copyblock, sel.x, sel.y, true);
         }
         remipmore(sel);
     }
diff --git a/source/src/protos.h b/source/src/protos.h
index 588880ff..2717bc7b 100644
--- a/source/src/protos.h
+++ b/source/src/protos.h
@@ -474,7 +474,7 @@ extern void undodynlights();
 extern void cleardynlights();
 extern void removedynlights(physent *owner);
 extern block *blockcopy(const block &b);
-extern void blockpaste(const block &b, int bx, int by);
+extern void blockpaste(const block &b, int bx, int by, bool light);
 extern void blockpaste(const block &b);
 extern void freeblock(block *&b);
 
diff --git a/source/src/worldlight.cpp b/source/src/worldlight.cpp
index a2818982..03b50743 100644
--- a/source/src/worldlight.cpp
+++ b/source/src/worldlight.cpp
@@ -337,16 +337,37 @@ block *blockcopy(const block &s)
     return b;
 }
 
-void blockpaste(const block &b, int bx, int by)
+void blockpaste(const block &b, int bx, int by, bool light)
 {
     const sqr *q = (const sqr *)((&b)+1);
-    for(int y = by; y<b.ys+by; y++) for(int x = bx; x<b.xs+bx; x++) *S(x,y) = *q++;
+    sqr *dest = 0;
+    uchar tr, tg, tb;
+
+    for(int y = by; y<b.ys+by; y++)
+    for(int x = bx; x<b.xs+bx; x++)
+    {
+        dest = S(x,y);
+
+        // retain light info for edit mode paste
+        tr = dest->r;
+        tg = dest->g;
+        tb = dest->b;
+
+        *dest = *q++;
+
+        if (light) //edit mode paste
+        {
+            dest->r = tr;
+            dest->g = tg;
+            dest->b = tb;
+        }
+    }
     remipmore(b);
 }
 
 void blockpaste(const block &b)
 {
-    blockpaste(b, b.x, b.y);
+    blockpaste(b, b.x, b.y, false);
 }
 
 void freeblock(block *&b)