diff --git a/src/common/webrequest.cpp b/src/common/webrequest.cpp
index 5baca038be..a604c89eb7 100644
--- a/src/common/webrequest.cpp
+++ b/src/common/webrequest.cpp
@@ -205,7 +205,7 @@ struct StateEventProcessor
 
 void wxWebRequestImpl::SetState(wxWebRequest::State state, const wxString & failMsg)
 {
-    wxASSERT_MSG( state != m_state, "shouldn't switch to the same state" );
+    wxCHECK_RET( state != m_state, "shouldn't switch to the same state" );
 
     wxLogTrace(wxTRACE_WEBREQUEST, "Request %p: state %d => %d", this, m_state, state);