diff --git a/unittest/commands/test_lattice_region.cpp b/unittest/commands/test_lattice_region.cpp
index a4b76f02ef..cfea4d7bf9 100644
--- a/unittest/commands/test_lattice_region.cpp
+++ b/unittest/commands/test_lattice_region.cpp
@@ -84,7 +84,7 @@ TEST_F(LatticeRegionTest, lattice_sc)
     BEGIN_CAPTURE_OUTPUT();
     command("lattice sc 1.0 spacing 1.5 2.0 3.0");
     auto output = END_CAPTURE_OUTPUT();
-    ASSERT_THAT(output, MatchesRegex(".*Lattice spacing in x,y,z = 1.50* 2.0* 3.0*.*"));
+    ASSERT_THAT(output, MatchesRegex(".*Lattice spacing in x,y,z = 1.5.* 2.* 3.*"));
 
     auto lattice = lmp->domain->lattice;
     ASSERT_EQ(lattice->xlattice, 1.5);
@@ -94,7 +94,7 @@ TEST_F(LatticeRegionTest, lattice_sc)
     BEGIN_CAPTURE_OUTPUT();
     command("lattice sc 2.0");
     output = END_CAPTURE_OUTPUT();
-    ASSERT_THAT(output, MatchesRegex(".*Lattice spacing in x,y,z = 2.0* 2.0* 2.0*.*"));
+    ASSERT_THAT(output, MatchesRegex(".*Lattice spacing in x,y,z = 2.* 2.* 2.*"));
 
     lattice = lmp->domain->lattice;
     ASSERT_EQ(lattice->style, Lattice::SC);