diff --git a/VERSION b/VERSION
index 2300af08..2bf7e4de 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.242
+8.3.243
diff --git a/database/DBundo.c b/database/DBundo.c
index 7a64dce4..255c3af8 100644
--- a/database/DBundo.c
+++ b/database/DBundo.c
@@ -480,6 +480,7 @@ DBUndoPutLabel(cellDef, lab)
     lup->lue_just = lab->lab_just;
     lup->lue_type = lab->lab_type;
     lup->lue_flags = lab->lab_flags;
+    lup->lue_port = lab->lab_port;
     lup->lue_font = lab->lab_font;
     lup->lue_size = lab->lab_size;
     lup->lue_rotate = lab->lab_rotate;
@@ -523,6 +524,7 @@ DBUndoEraseLabel(cellDef, lab)
     lup->lue_just = lab->lab_just;
     lup->lue_type = lab->lab_type;
     lup->lue_flags = lab->lab_flags;
+    lup->lue_port = lab->lab_port;
     lup->lue_font = lab->lab_font;
     lup->lue_size = lab->lab_size;
     lup->lue_rotate = lab->lab_rotate;
diff --git a/extract/ExtHard.c b/extract/ExtHard.c
index f938dedf..32b12c96 100644
--- a/extract/ExtHard.c
+++ b/extract/ExtHard.c
@@ -341,6 +341,7 @@ extHardSetLabel(scx, reg, arg)
     GeoTransRect(&scx->scx_trans, &r, &newlab->lab_rect);
     newlab->lab_type = oldlab->lab_type;
     newlab->lab_flags = oldlab->lab_flags;
+    newlab->lab_port = oldlab->lab_port;
     text = oldlab->lab_text;
 
     /* Don't care, really, which orientation the label has */
@@ -423,6 +424,7 @@ extHardGenerateLabel(scx, reg, arg)
 
     /* Mark this as a generated label;  may or may not be useful */
     newlab->lab_flags = LABEL_GENERATE;
+    newlab->lab_port = 0;
 
     /* Construct the text of the new label */
     dstp = newlab->lab_text;
diff --git a/extract/ExtSubtree.c b/extract/ExtSubtree.c
index 5067224f..f013c968 100644
--- a/extract/ExtSubtree.c
+++ b/extract/ExtSubtree.c
@@ -793,6 +793,7 @@ extSubtreeFunc(scx, ha)
 		newlab->lab_type = lab->lab_type;
 		newlab->lab_rect = lab->lab_rect;
 		newlab->lab_flags = lab->lab_flags;
+		newlab->lab_port = lab->lab_port;
 		strcpy(newlab->lab_text, lab->lab_text);
 
 		newlab->lab_next = cumUse->cu_def->cd_labels;
diff --git a/lef/lefRead.c b/lef/lefRead.c
index 64e35ced..4155e674 100644
--- a/lef/lefRead.c
+++ b/lef/lefRead.c
@@ -1331,10 +1331,13 @@ LefReadPort(lefMacro, f, pinName, pinNum, pinDir, pinUse, pinShape, oscale, lann
 		if (strcmp(newlab->lab_text, pinName))
 		    LefError(LEF_ERROR, "Internal error:  Can't find the label!\n");
 		else
+		{
 		    /* Make this a port, and make it a sticky label so that */
 		    /* it is guaranteed to be on the layer on which it is defined */
-		    newlab->lab_flags = pinNum | pinUse | pinDir | pinShape |
+		    newlab->lab_flags = pinUse | pinDir | pinShape |
 			    PORT_DIR_MASK | LABEL_STICKY;
+		    newlab->lab_port = pinNum;
+		}
 	    }
 	    /* If lanno is non-NULL then the first rectangle in the LEF	    */
 	    /* port list is used to modify it.  All other LEF port geometry */
@@ -1628,8 +1631,9 @@ LefReadPin(lefMacro, f, pinname, pinNum, oscale, is_imported)
 				needRect = FALSE;
 				lab->lab_flags &= ~(PORT_USE_MASK | PORT_DIR_MASK |
 					PORT_CLASS_MASK | PORT_SHAPE_MASK);
-				lab->lab_flags |= pinNum | pinUse | pinDir | pinShape |
+				lab->lab_flags |= pinUse | pinDir | pinShape |
 					PORT_DIR_MASK;
+				lab->lab_port = pinNum;
 			    }
 			}
 		    }