diff --git a/src/BOPAlgo/BOPAlgo_PaveFiller_6.cxx b/src/BOPAlgo/BOPAlgo_PaveFiller_6.cxx
index b6730c0a30..c805f068cb 100644
--- a/src/BOPAlgo/BOPAlgo_PaveFiller_6.cxx
+++ b/src/BOPAlgo/BOPAlgo_PaveFiller_6.cxx
@@ -432,6 +432,7 @@ void BOPAlgo_PaveFiller::MakeBlocks()
     aMPBOnIn.Clear();
     aDMBV.Clear();
     aMVTol.Clear();
+    aLSE.Clear();
     //
     myDS->VerticesOnIn(nF1, nF2, aMVOnIn, aMPBOnIn);
     myDS->SharedEdges(nF1, nF2, aLSE, aAllocator);
diff --git a/tests/bugs/modalg_6/bug27984 b/tests/bugs/modalg_6/bug27984
new file mode 100644
index 0000000000..12ebf64347
--- /dev/null
+++ b/tests/bugs/modalg_6/bug27984
@@ -0,0 +1,12 @@
+puts "========"
+puts "OCC27984"
+puts "========"
+puts ""
+#################################################
+# Volume maker algorithm is unable to build all possible solids from the given faces
+#################################################
+
+restore [locate_data_file bug27984_faces.brep] lf
+mkvolume result lf -c
+checknbshapes result -solid 28
+checkprops result -s 5.93287e+006 -v 6.99508e+007