diff --git a/source/nsswitch/winbindd_pam.c b/source/nsswitch/winbindd_pam.c
index c5b68ea0583..3f079606d0b 100644
--- a/source/nsswitch/winbindd_pam.c
+++ b/source/nsswitch/winbindd_pam.c
@@ -185,13 +185,13 @@ enum winbindd_result winbindd_pam_auth_crap(struct winbindd_cli_state *state)
 		goto done;
 	}
 
-        if (pull_utf8_talloc(mem_ctx, &user, state->request.data.auth_crap.user) < 0) {
+        if (pull_utf8_talloc(mem_ctx, &user, state->request.data.auth_crap.user) == (size_t)-1) {
 		DEBUG(0, ("winbindd_pam_auth_crap: pull_utf8_talloc failed!\n"));
 	}
 
 	if (*state->request.data.auth_crap.domain) {
 		char *dom = NULL;
-		if (pull_utf8_talloc(mem_ctx, &dom, state->request.data.auth_crap.domain) < 0) {
+		if (pull_utf8_talloc(mem_ctx, &dom, state->request.data.auth_crap.domain) (size_t)-1) {
 			DEBUG(0, ("winbindd_pam_auth_crap: pull_utf8_talloc failed!\n"));
 		}
 		domain = dom;
@@ -215,7 +215,7 @@ enum winbindd_result winbindd_pam_auth_crap(struct winbindd_cli_state *state)
 
 	if (*state->request.data.auth_crap.workstation) {
 		char *wrk = NULL;
-		if (pull_utf8_talloc(mem_ctx, &wrk, state->request.data.auth_crap.workstation) < 0) {
+		if (pull_utf8_talloc(mem_ctx, &wrk, state->request.data.auth_crap.workstation) == (size_t)-1) {
 			DEBUG(0, ("winbindd_pam_auth_crap: pull_utf8_talloc failed!\n"));
 		}
 		workstation = wrk;
diff --git a/source/smbd/mangle_hash.c b/source/smbd/mangle_hash.c
index 0446a953ff5..d1c5cf1b5c1 100644
--- a/source/smbd/mangle_hash.c
+++ b/source/smbd/mangle_hash.c
@@ -730,7 +730,7 @@ static void name_map(char *OutName, BOOL need83, BOOL cache83)
 	DEBUG(5,("name_map( %s, need83 = %s, cache83 = %s)\n", OutName,
 		 need83 ? "True" : "False", cache83 ? "True" : "False"));
 	
-	if (push_ucs2_allocate(&OutName_ucs2, OutName) < 0) {
+	if (push_ucs2_allocate(&OutName_ucs2, OutName) == (size_t)-1) {
 		DEBUG(0, ("push_ucs2_allocate failed!\n"));
 		return;
 	}