diff --git a/src/Mod/OpenSCAD/OpenSCADTest/app/test_importCSG.py b/src/Mod/OpenSCAD/OpenSCADTest/app/test_importCSG.py
index a012674589..d1e1982ec7 100644
--- a/src/Mod/OpenSCAD/OpenSCADTest/app/test_importCSG.py
+++ b/src/Mod/OpenSCAD/OpenSCADTest/app/test_importCSG.py
@@ -502,3 +502,36 @@ resize(newsize = [0,0,10], auto = [0,0,0]) {
         doc = self.utility_create_scad(content, "empty_union")
         self.assertEqual (len(doc.RootObjects), 1)
         FreeCAD.closeDocument(doc.Name)
+
+    def test_complex_fuse_no_placement(self):
+        # Issue #7878 - https://github.com/FreeCAD/FreeCAD/issues/7878
+
+        csg_data = """
+group() {
+	multmatrix([[1, 0, 0, 0], [0, 1, 0, -127], [0, 0, 1, -6], [0, 0, 0, 1]]) {
+		union() {
+			group() {
+				difference() {
+					cube(size = [4, 106.538, 12], center = false);
+					group() {
+							polyhedron(points = [[0, 0, 0], [1, 0, 0], [0, 1, 0], [0, 0, 1], [1, 0, 1], [0, 1, 1]], faces = [[0, 1, 2], [5, 4, 3], [3, 1, 0], [1, 3, 4], [0, 2, 3], [5, 3, 2], [4, 2, 1], [2, 4, 5]], convexity = 1);
+					}
+				}
+			}
+            polyhedron(points = [[0, 0, 0], [1, 0, 0], [0, 1, 0], [0, 0, 1], [1, 0, 1], [0, 1, 1]], faces = [[0, 1, 2], [5, 4, 3], [3, 1, 0], [1, 3, 4], [0, 2, 3], [5, 3, 2], [4, 2, 1], [2, 4, 5]], convexity = 1);
+            polyhedron(points = [[0, 0, 0], [1, 0, 0], [0, 1, 0], [0, 0, 1], [1, 0, 1], [0, 1, 1]], faces = [[0, 1, 2], [5, 4, 3], [3, 1, 0], [1, 3, 4], [0, 2, 3], [5, 3, 2], [4, 2, 1], [2, 4, 5]], convexity = 1);
+		}
+	}
+	multmatrix([[1, 0, 0, 6.4], [0, 1, 0, -125], [0, 0, 1, -40], [0, 0, 0, 1]]) {
+		difference() {
+			cylinder($fn = 0, $fa = 12, $fs = 2, h = 80, r1 = 8, r2 = 8, center = false);
+			multmatrix([[1, 0, 0, -14.4], [0, 1, 0, -8], [0, 0, 1, -5], [0, 0, 0, 1]]) {
+				cube(size = [8, 16, 90], center = false);
+			}
+		}
+	}
+}
+"""
+        doc = self.utility_create_scad(csg_data, "complex-fuse")
+        self.assertEqual (doc.RootObjects[0].Placement, FreeCAD.Placement())
+        FreeCAD.closeDocument(doc.Name)
diff --git a/src/Mod/OpenSCAD/importCSG.py b/src/Mod/OpenSCAD/importCSG.py
index 12cf90a7c4..d91e3c5ee0 100644
--- a/src/Mod/OpenSCAD/importCSG.py
+++ b/src/Mod/OpenSCAD/importCSG.py
@@ -634,6 +634,7 @@ def fuse(lst,name):
        if gui:
            myfuse.Base.ViewObject.hide()
            myfuse.Tool.ViewObject.hide()
+    myfuse.Placement = FreeCAD.Placement()
     return(myfuse)
 
 def p_empty_union_action(p):