diff --git a/tests/catch/unit/memory/hipMemcpy3D.cc b/tests/catch/unit/memory/hipMemcpy3D.cc
index 1fa4ce0576..75fc8efe0c 100644
--- a/tests/catch/unit/memory/hipMemcpy3D.cc
+++ b/tests/catch/unit/memory/hipMemcpy3D.cc
@@ -272,6 +272,7 @@ void Memcpy3D<T>::NegativeTests() {
   AllocateMemory();
 
   // Initialization of data
+  memset(&myparms, 0, sizeof(myparms));
   myparms.srcPos = make_hipPos(0, 0, 0);
   myparms.dstPos = make_hipPos(0, 0, 0);
   myparms.extent = make_hipExtent(width , height, depth);
diff --git a/tests/catch/unit/memory/hipMemcpy3DAsync.cc b/tests/catch/unit/memory/hipMemcpy3DAsync.cc
index 017556967c..fb2fa8e1dc 100644
--- a/tests/catch/unit/memory/hipMemcpy3DAsync.cc
+++ b/tests/catch/unit/memory/hipMemcpy3DAsync.cc
@@ -290,6 +290,7 @@ void Memcpy3DAsync<T>::NegativeTests() {
   HIP_CHECK(hipStreamCreate(&stream));
 
   // Initialization of data
+  memset(&myparms, 0, sizeof(myparms));
   myparms.srcPos = make_hipPos(0, 0, 0);
   myparms.dstPos = make_hipPos(0, 0, 0);
   myparms.extent = make_hipExtent(width , height, depth);