diff --git a/dlls/secur32/schannel_gnutls.c b/dlls/secur32/schannel_gnutls.c
index c4a36a899a0..784c1ffe6e8 100644
--- a/dlls/secur32/schannel_gnutls.c
+++ b/dlls/secur32/schannel_gnutls.c
@@ -977,8 +977,19 @@ static void schan_gnutls_log(int level, const char *msg)
 
 BOOL schan_imp_init(void)
 {
+    const char *env_str;
     int ret;
 
+    if ((env_str = getenv("GNUTLS_SYSTEM_PRIORITY_FILE")))
+    {
+        WARN("GNUTLS_SYSTEM_PRIORITY_FILE is %s.\n", debugstr_a(env_str));
+    }
+    else
+    {
+        WARN("Setting GNUTLS_SYSTEM_PRIORITY_FILE to \"/dev/null\".\n");
+        setenv("GNUTLS_SYSTEM_PRIORITY_FILE", "/dev/null", 0);
+    }
+
     libgnutls_handle = dlopen(SONAME_LIBGNUTLS, RTLD_NOW);
     if (!libgnutls_handle)
     {