diff --git a/rostests/winetests/fusion/asmenum.c b/rostests/winetests/fusion/asmenum.c
index 48f7b2a97b1..cb6ea3dfdeb 100644
--- a/rostests/winetests/fusion/asmenum.c
+++ b/rostests/winetests/fusion/asmenum.c
@@ -209,6 +209,8 @@ static void test_CreateAssemblyEnum(void)
     ok(hr == E_INVALIDARG, "Expected E_INVALIDARG, got %08x\n", hr);
     ok(asmenum == (IAssemblyEnum *)0xdeadbeef,
        "Expected asmenum to be unchanged, got %p\n", asmenum);
+
+    IAssemblyName_Release(asmname);
 }
 
 typedef struct _tagASMNAME
diff --git a/rostests/winetests/fusion/asmname.c b/rostests/winetests/fusion/asmname.c
index 442f00f7c45..824837b25fc 100644
--- a/rostests/winetests/fusion/asmname.c
+++ b/rostests/winetests/fusion/asmname.c
@@ -726,6 +726,7 @@ static void test_CreateAssemblyNameObject(void)
     ok(name != NULL, "Expected non-NULL name\n");
 
     size = MAX_PATH;
+    str[0] = '\0';
     hr = IAssemblyName_GetDisplayName(name, str, &size, ASM_DISPLAYF_FULL);
     ok(hr == S_OK, "Expected S_OK, got %08x\n", hr);
     todo_wine
@@ -786,6 +787,7 @@ static void test_CreateAssemblyNameObject(void)
            "Expected FUSION_E_INVALID_NAME, got %08x\n", hr);
         ok(name == (IAssemblyName *)0xdeadbeef, "Expected 0xdeadbeef, got %p\n", name);
     }
+    if(SUCCEEDED(hr)) IAssemblyName_Release(name);
 
     /* no '=' */
     to_widechar(namestr, "wine, PublicKeyToken");