diff --git a/c_check b/c_check
index c7899c84f..8234c2081 100644
--- a/c_check
+++ b/c_check
@@ -310,6 +310,7 @@ $linker_a = "";
 	    && ($flags !~ /advapi32/)
 	    && ($flags !~ /shell32/)
 	    && ($flags !~ /omp/)
+	    && ($flags !~ /[0-9]+/)
 	    ) {
 	    $linker_l .= $flags . " "
 	}
diff --git a/f_check b/f_check
index fac8fc707..d702044cc 100644
--- a/f_check
+++ b/f_check
@@ -335,6 +335,7 @@ if ($link ne "") {
 	    && ($flags !~ /advapi32/)
 	    && ($flags !~ /shell32/)
 	    && ($flags !~ /omp/)
+	    && ($flags !~ /[0-9]+/)
 		&& ($flags !~ /^\-l$/)
 	    ) {
 	    $linker_l .= $flags . " ";