diff --git a/f_check b/f_check
index 3520e8b06..c7ad964e0 100644
--- a/f_check
+++ b/f_check
@@ -114,7 +114,7 @@ if ($compiler eq "") {
 	    $openmp = "-mp";
 	}
 
-	if ($data =~ /IBM/) {
+	if ($data =~ /IBM XL/) {
 	    $vendor = IBM;
 	    $openmp = "-openmp";
 	}