diff --git a/dlls/user32/tests/dde.c b/dlls/user32/tests/dde.c
index e90d8c9d6d2..eb875e3dc45 100644
--- a/dlls/user32/tests/dde.c
+++ b/dlls/user32/tests/dde.c
@@ -45,13 +45,15 @@ static void flush_events(void)
 {
     MSG msg;
     int diff = default_timeout;
+    int min_timeout = 50;
     DWORD time = GetTickCount() + diff;
 
     while (diff > 0)
     {
-        if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min(10,diff), QS_ALLINPUT ) == WAIT_TIMEOUT) break;
+        if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min_timeout, QS_ALLINPUT ) == WAIT_TIMEOUT) break;
         while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessage( &msg );
         diff = time - GetTickCount();
+        min_timeout = 10;
     }
 }
 
diff --git a/dlls/user32/tests/msg.c b/dlls/user32/tests/msg.c
index 7d5dffa335d..69bba8bce7a 100644
--- a/dlls/user32/tests/msg.c
+++ b/dlls/user32/tests/msg.c
@@ -1543,14 +1543,16 @@ static void add_message(const struct message *msg)
 static void flush_events(void)
 {
     MSG msg;
-    int diff = 100;
+    int diff = 200;
+    int min_timeout = 50;
     DWORD time = GetTickCount() + diff;
 
     while (diff > 0)
     {
-        if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min(10,diff), QS_ALLINPUT ) == WAIT_TIMEOUT) break;
+        if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min_timeout, QS_ALLINPUT ) == WAIT_TIMEOUT) break;
         while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessage( &msg );
         diff = time - GetTickCount();
+        min_timeout = 10;
     }
 }
 
diff --git a/dlls/user32/tests/win.c b/dlls/user32/tests/win.c
index bf8e4fe6651..661a7e8625b 100644
--- a/dlls/user32/tests/win.c
+++ b/dlls/user32/tests/win.c
@@ -63,13 +63,15 @@ static void flush_events(void)
 {
     MSG msg;
     int diff = 200;
+    int min_timeout = 50;
     DWORD time = GetTickCount() + diff;
 
     while (diff > 0)
     {
-        if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min(10,diff), QS_ALLINPUT ) == WAIT_TIMEOUT) break;
+        if (MsgWaitForMultipleObjects( 0, NULL, FALSE, min_timeout, QS_ALLINPUT ) == WAIT_TIMEOUT) break;
         while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE )) DispatchMessage( &msg );
         diff = time - GetTickCount();
+        min_timeout = 10;
     }
 }