diff --git a/configure b/configure
index dc5e095..fb8fecf 100755
--- a/configure
+++ b/configure
@@ -13508,9 +13508,9 @@ $as_echo "found in /usr/include" >&6; }
 		PGSQL_CFLAGS="-I/usr/include/postgresql"
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: found in /usr/include/postgresql" >&5
 $as_echo "found in /usr/include/postgresql" >&6; }
-	elif test -r /usr/local/include/libpq-fe.h; then
-		PGSQL_CFLAGS="-I/usr/local/include"
-		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: found in /usr/local/include" >&5
+	elif test -r /usr/include/pgsql/libpq-fe.h; then
+		PGSQL_CFLAGS="-I/usr/include/pgsql"
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: found in /usr/include/pgsql" >&5
 $as_echo "found in /usr/local/include" >&6; }
 	elif test -r /usr/local/pgsql/include/libpq-fe.h; then
 		PGSQL_CFLAGS="-I/usr/local/pgsql/include"