diff --git a/tests/bugs/modalg_3/bug600 b/tests/bugs/modalg_3/bug600
index 8ff2b5e36f..cbf02c9584 100755
--- a/tests/bugs/modalg_3/bug600
+++ b/tests/bugs/modalg_3/bug600
@@ -29,4 +29,8 @@ Number of shapes in shape
 "
 checknbshapes result -ref ${nbshapes_expected} -t -m "Result of Boolean operations"
 
+checkprops result -s 41970.8
+
+checkshape result
+
 set 2dviewer 0
diff --git a/tests/bugs/modalg_6/bug26848 b/tests/bugs/modalg_6/bug26848
index 4853b90855..45eb5c1303 100755
--- a/tests/bugs/modalg_6/bug26848
+++ b/tests/bugs/modalg_6/bug26848
@@ -30,4 +30,8 @@ Number of shapes in shape
 "
 checknbshapes result -ref ${nbshapes_expected} -t -m "Result of Boolean operations"
 
+checkprops result -s 41970.8
+
+checkshape result
+
 set 2dviewer 0