diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c
index d1f871178d9..ea80bd2bde9 100644
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -1514,6 +1514,11 @@ BOOL WINAPI InternetCanonicalizeUrlA(LPCSTR lpszUrl, LPSTR lpszBuffer,
 	dwURLFlags |= URL_UNESCAPE;
 	dwFlags &= ~ICU_ESCAPE;
     }
+    if(dwFlags & ICU_BROWSER_MODE)
+    {
+        dwURLFlags |= URL_BROWSER_MODE;
+        dwFlags &= ~ICU_BROWSER_MODE;
+    }
     if(dwFlags)
 	FIXME("Unhandled flags 0x%08lx\n", dwFlags);
     TRACE("%s %p %p %08lx\n", debugstr_a(lpszUrl), lpszBuffer,
@@ -1553,6 +1558,11 @@ BOOL WINAPI InternetCanonicalizeUrlW(LPCWSTR lpszUrl, LPWSTR lpszBuffer,
 	dwURLFlags |= URL_UNESCAPE;
 	dwFlags &= ~ICU_ESCAPE;
     }
+    if(dwFlags & ICU_BROWSER_MODE)
+    {
+        dwURLFlags |= URL_BROWSER_MODE;
+        dwFlags &= ~ICU_BROWSER_MODE;
+    }
     if(dwFlags)
 	FIXME("Unhandled flags 0x%08lx\n", dwFlags);
     TRACE("%s %p %p %08lx\n", debugstr_w(lpszUrl), lpszBuffer,