diff --git a/dlls/secur32/ntlm.c b/dlls/secur32/ntlm.c
index b6323895c26..af5b3f0e468 100644
--- a/dlls/secur32/ntlm.c
+++ b/dlls/secur32/ntlm.c
@@ -1760,8 +1760,10 @@ void SECUR32_initNTLMSP(void)
         check_version(helper);
 
     if( (helper->major >  MIN_NTLM_AUTH_MAJOR_VERSION) ||
-        (helper->major  = MIN_NTLM_AUTH_MAJOR_VERSION  &&
-         helper->minor >= MIN_NTLM_AUTH_MINOR_VERSION  &&
+        (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION  &&
+         helper->minor >  MIN_NTLM_AUTH_MINOR_VERSION) ||
+        (helper->major == MIN_NTLM_AUTH_MAJOR_VERSION  &&
+         helper->minor == MIN_NTLM_AUTH_MINOR_VERSION  &&
          helper->micro >= MIN_NTLM_AUTH_MICRO_VERSION) )
     {
         SecureProvider *provider = SECUR32_addProvider(&ntlmTableA, &ntlmTableW, NULL);