diff --git a/dlls/msi/source.c b/dlls/msi/source.c
index 66a3af103ef..9ae4a65fe62 100644
--- a/dlls/msi/source.c
+++ b/dlls/msi/source.c
@@ -352,9 +352,12 @@ UINT WINAPI MsiSourceListGetInfoW( LPCWSTR szProduct, LPCWSTR szUserSid,
                                    LPDWORD pcchValue) 
 {
     WCHAR squished_pc[GUID_SIZE];
-    HKEY sourcekey;
+    HKEY sourcekey, media;
     UINT rc;
 
+    static const WCHAR mediapack[] = {
+        'M','e','d','i','a','P','a','c','k','a','g','e',0};
+
     TRACE("%s %s\n", debugstr_w(szProduct), debugstr_w(szProperty));
 
     if (!szProduct || !squash_guid(szProduct, squished_pc))
@@ -381,27 +384,21 @@ UINT WINAPI MsiSourceListGetInfoW( LPCWSTR szProduct, LPCWSTR szUserSid,
     if (rc != ERROR_SUCCESS)
         return rc;
 
-    if (strcmpW(szProperty, INSTALLPROPERTY_MEDIAPACKAGEPATHW) == 0)
+    if (!lstrcmpW(szProperty, INSTALLPROPERTY_MEDIAPACKAGEPATHW) ||
+        !lstrcmpW(szProperty, INSTALLPROPERTY_DISKPROMPTW))
     {
-        HKEY key;
-        rc = OpenMediaSubkey(sourcekey, &key, FALSE);
-        if (rc == ERROR_SUCCESS)
-            rc = RegQueryValueExW(key, INSTALLPROPERTY_MEDIAPACKAGEPATHW,
-                    0, 0, (LPBYTE)szValue, pcchValue);
-        if (rc != ERROR_SUCCESS && rc != ERROR_MORE_DATA)
-            rc = ERROR_UNKNOWN_PROPERTY;
-        RegCloseKey(key);
-    }
-    else if (strcmpW(szProperty, INSTALLPROPERTY_DISKPROMPTW) ==0)
-    {
-        HKEY key;
-        rc = OpenMediaSubkey(sourcekey, &key, FALSE);
-        if (rc == ERROR_SUCCESS)
-            rc = RegQueryValueExW(key, INSTALLPROPERTY_DISKPROMPTW, 0, 0,
-                    (LPBYTE)szValue, pcchValue);
-        if (rc != ERROR_SUCCESS && rc != ERROR_MORE_DATA)
-            rc = ERROR_UNKNOWN_PROPERTY;
-        RegCloseKey(key);
+        rc = OpenMediaSubkey(sourcekey, &media, FALSE);
+        if (rc != ERROR_SUCCESS)
+        {
+            RegCloseKey(sourcekey);
+            return ERROR_SUCCESS;
+        }
+
+        if (!lstrcmpW(szProperty, INSTALLPROPERTY_MEDIAPACKAGEPATHW))
+            szProperty = mediapack;
+
+        RegQueryValueExW(media, szProperty, 0, 0, (LPBYTE)szValue, pcchValue);
+        RegCloseKey(media);
     }
     else if (strcmpW(szProperty, INSTALLPROPERTY_LASTUSEDSOURCEW)==0)
     {
diff --git a/dlls/msi/tests/install.c b/dlls/msi/tests/install.c
index 1fbb6ee5667..963d3d89ad3 100644
--- a/dlls/msi/tests/install.c
+++ b/dlls/msi/tests/install.c
@@ -2998,12 +2998,9 @@ static void test_publishsourcelist(void)
     lstrcpyA(value, "aaa");
     r = pMsiSourceListGetInfoA(prodcode, NULL, MSIINSTALLCONTEXT_USERUNMANAGED,
                                MSICODE_PRODUCT, INSTALLPROPERTY_MEDIAPACKAGEPATH, value, &size);
-    todo_wine
-    {
-        ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
-        ok(!lstrcmpA(value, ""), "Expected \"\", got \"%s\"\n", value);
-        ok(size == 0, "Expected 0, got %d\n", size);
-    }
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+    ok(!lstrcmpA(value, ""), "Expected \"\", got \"%s\"\n", value);
+    ok(size == 0, "Expected 0, got %d\n", size);
 
     size = MAX_PATH;
     lstrcpyA(value, "aaa");
diff --git a/dlls/msi/tests/source.c b/dlls/msi/tests/source.c
index 4d2b9253288..00a869a27aa 100644
--- a/dlls/msi/tests/source.c
+++ b/dlls/msi/tests/source.c
@@ -332,6 +332,16 @@ static void test_MsiSourceListGetInfo(void)
     ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
     ok(size == 11, "Expected 11, got %d\n", size);
 
+    /* INSTALLPROPERTY_MEDIAPACKAGEPATH, media key does not exist */
+    size = MAX_PATH;
+    lstrcpyA(value, "aaa");
+    r = pMsiSourceListGetInfoA(prodcode, usersid, MSIINSTALLCONTEXT_USERUNMANAGED,
+                               MSICODE_PRODUCT, INSTALLPROPERTY_MEDIAPACKAGEPATH,
+                               value, &size);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+    ok(!lstrcmpA(value, ""), "Expected \"\", got \"%s\"\n", value);
+    ok(size == 0, "Expected 0, got %d\n", size);
+
     res = RegCreateKeyA(hkey, "Media", &media);
     ok(res == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", res);
 
@@ -345,12 +355,9 @@ static void test_MsiSourceListGetInfo(void)
     r = pMsiSourceListGetInfoA(prodcode, usersid, MSIINSTALLCONTEXT_USERUNMANAGED,
                                MSICODE_PRODUCT, INSTALLPROPERTY_MEDIAPACKAGEPATH,
                                value, &size);
-    todo_wine
-    {
-        ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
-        ok(!lstrcmpA(value, "path"), "Expected \"path\", got \"%s\"\n", value);
-        ok(size == 4, "Expected 4, got %d\n", size);
-    }
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+    ok(!lstrcmpA(value, "path"), "Expected \"path\", got \"%s\"\n", value);
+    ok(size == 4, "Expected 4, got %d\n", size);
 
     /* INSTALLPROPERTY_DISKPROMPT */
     data = "prompt";