diff --git a/rust/fuzz_test.go b/rust/fuzz_test.go
index ea35905..ee28c6d 100644
--- a/rust/fuzz_test.go
+++ b/rust/fuzz_test.go
@@ -51,23 +51,23 @@
 
 	// Check that compiler flags are set appropriately .
 	fuzz_libtest := ctx.ModuleForTests("fuzz_libtest", "android_arm64_armv8-a_fuzzer").Rule("rustc")
-	if !strings.Contains(fuzz_libtest.RuleParams.Command, "-C passes='sancov-module'") ||
-		!strings.Contains(fuzz_libtest.RuleParams.Command, "--cfg fuzzing") {
+	if !strings.Contains(fuzz_libtest.Args["rustcFlags"], "-C passes='sancov-module'") ||
+		!strings.Contains(fuzz_libtest.Args["rustcFlags"], "--cfg fuzzing") {
 		t.Errorf("rust_fuzz module does not contain the expected flags (sancov-module, cfg fuzzing).")
 	}
 
 	// Check that host modules support fuzzing.
 	host_fuzzer := ctx.ModuleForTests("fuzz_libtest", "android_arm64_armv8-a_fuzzer").Rule("rustc")
-	if !strings.Contains(host_fuzzer.RuleParams.Command, "-C passes='sancov-module'") ||
-		!strings.Contains(host_fuzzer.RuleParams.Command, "--cfg fuzzing") {
+	if !strings.Contains(host_fuzzer.Args["rustcFlags"], "-C passes='sancov-module'") ||
+		!strings.Contains(host_fuzzer.Args["rustcFlags"], "--cfg fuzzing") {
 		t.Errorf("rust_fuzz_host module does not contain the expected flags (sancov-module, cfg fuzzing).")
 	}
 
 	// Check that dependencies have 'fuzzer' variants produced for them as well.
-	libtest_fuzzer := ctx.ModuleForTests("libtest_fuzzing", "android_arm64_armv8-a_rlib_rlib-std_fuzzer").Rule("rustc")
-	if !strings.Contains(libtest_fuzzer.RuleParams.Command, "-C passes='sancov-module'") ||
-		!strings.Contains(libtest_fuzzer.RuleParams.Command, "--cfg fuzzing") {
-		t.Errorf("rust_fuzz dependent library does not contain the expected flags (sancov-module, cfg fuzzing). command: %q", libtest_fuzzer.RuleParams.Command)
+	libtest_fuzzer := ctx.ModuleForTests("libtest_fuzzing", "android_arm64_armv8-a_rlib_rlib-std_fuzzer").Output("libtest_fuzzing.rlib")
+	if !strings.Contains(libtest_fuzzer.Args["rustcFlags"], "-C passes='sancov-module'") ||
+		!strings.Contains(libtest_fuzzer.Args["rustcFlags"], "--cfg fuzzing") {
+		t.Errorf("rust_fuzz dependent library does not contain the expected flags (sancov-module, cfg fuzzing).")
 	}
 }