diff --git a/contrib/dlz/config.dlz.in b/contrib/dlz/config.dlz.in
index ff3783a..bd7a700 100644
--- a/contrib/dlz/config.dlz.in
+++ b/contrib/dlz/config.dlz.in
@@ -407,10 +407,13 @@ then
 	odbcdirs="/usr /usr/local /usr/pkg"
 	for d in $odbcdirs
 	do
-		if test -f $d/include/sql.h -a -f $d/lib/libodbc.a
+		if test -f $d/include/sql.h
 		then
-			use_dlz_odbc=$d
-			break
+			if test -f $d/lib/libodbc.a -o -f $d/lib/libodbc.la -o $d/lib/libodbc.so
+			then
+				use_dlz_odbc=$d
+				break
+			fi
 		fi
 	done
 fi