diff --git a/audio/2.0/vts/functional/AudioPrimaryHidlHalTest.cpp b/audio/2.0/vts/functional/AudioPrimaryHidlHalTest.cpp
index f90ff05..0af5c94 100644
--- a/audio/2.0/vts/functional/AudioPrimaryHidlHalTest.cpp
+++ b/audio/2.0/vts/functional/AudioPrimaryHidlHalTest.cpp
@@ -1029,19 +1029,20 @@
 }
 
 static void testUnitaryGain(std::function<Return<Result>(float)> setGain) {
-    for (float value : {0.0, 0.01, 0.5, 0.09, 1.0}) {
-        SCOPED_TRACE("value=" + to_string(value));
-        ASSERT_OK(setGain(value));
-    }
-    for (float value : (float[]){-INFINITY, -1.0, -0.0,
-                                 1.0 + std::numeric_limits<float>::epsilon(),
-                                 2.0, INFINITY, NAN}) {
+    for (float value :
+         (float[]){-INFINITY, -1.0, 1.0 + std::numeric_limits<float>::epsilon(),
+                   2.0, INFINITY, NAN}) {
         SCOPED_TRACE("value=" + to_string(value));
         // FIXME: NAN should never be accepted
         // FIXME: Missing api doc. What should the impl do if the volume is
         // outside [0,1] ?
         ASSERT_RESULT(Result::INVALID_ARGUMENTS, setGain(value));
     }
+    // Do not consider -0.0 as an invalid value as it is == with 0.0
+    for (float value : {-0.0, 0.0, 0.01, 0.5, 0.09, 1.0 /* Restore volume*/}) {
+        SCOPED_TRACE("value=" + to_string(value));
+        ASSERT_OK(setGain(value));
+    }
 }
 
 static void testOptionalUnitaryGain(