diff --git a/fastboot/fuzzy_fastboot/main.cpp b/fastboot/fuzzy_fastboot/main.cpp
index 7ffc7d5..a40bc27 100644
--- a/fastboot/fuzzy_fastboot/main.cpp
+++ b/fastboot/fuzzy_fastboot/main.cpp
@@ -201,18 +201,28 @@
     ASSERT_TRUE(UserSpaceFastboot());
     std::string has_slot;
     EXPECT_EQ(fb->GetVar("has-slot:system", &has_slot), SUCCESS) << "getvar has-slot:system failed";
-    std::string is_logical_cmd;
+    std::string is_logical_cmd_system = "is-logical:system";
+    std::string is_logical_cmd_vendor = "is-logical:vendor";
+    std::string is_logical_cmd_boot = "is-logical:boot";
     if (has_slot == "yes") {
         std::string current_slot;
-        EXPECT_EQ(fb->GetVar("current-slot", &current_slot), SUCCESS)
+        ASSERT_EQ(fb->GetVar("current-slot", &current_slot), SUCCESS)
                 << "getvar current-slot failed";
-        is_logical_cmd = "is-logical:system_" + current_slot;
-    } else {
-        is_logical_cmd = "is-logical:system";
+        std::string slot_suffix = "_" + current_slot;
+        is_logical_cmd_system += slot_suffix;
+        is_logical_cmd_vendor += slot_suffix;
+        is_logical_cmd_boot += slot_suffix;
     }
     std::string is_logical;
-    EXPECT_EQ(fb->GetVar(is_logical_cmd, &is_logical), SUCCESS) << "getvar is-logical failed";
-    ASSERT_EQ(is_logical, "yes");
+    EXPECT_EQ(fb->GetVar(is_logical_cmd_system, &is_logical), SUCCESS)
+            << "system must be a logical partition";
+    EXPECT_EQ(is_logical, "yes");
+    EXPECT_EQ(fb->GetVar(is_logical_cmd_vendor, &is_logical), SUCCESS)
+            << "vendor must be a logical partition";
+    EXPECT_EQ(is_logical, "yes");
+    EXPECT_EQ(fb->GetVar(is_logical_cmd_boot, &is_logical), SUCCESS)
+            << "boot must not be logical partition";
+    EXPECT_EQ(is_logical, "no");
 }
 
 TEST_F(LogicalPartitionCompliance, FastbootRebootTest) {