diff --git a/test/module/net_sql.mysql.skipcond b/test/module/net_sql.mysql.skipcond
index d130e5e3c8429074e5d32c0582f7c73d50606ffd..098aef0ccff8c2a82336c8918b0e022795db4574 100644
--- a/test/module/net_sql.mysql.skipcond
+++ b/test/module/net_sql.mysql.skipcond
@@ -5,7 +5,7 @@ import os
 try:
     (host, port, user, password, db) = os.getenv('MYSQL').split(':')
     for val in (host, port, user, password, db):
-        if val == '':
+        if not val or val == ' ':
             raise ValueError('Empty value')
     if not os.path.exists(os.path.join(self.args.builddir, 'src/module/mysql/mysql.so')):
         raise RuntimeError('No MySQL module found')
diff --git a/test/module/net_sql.pg.skipcond b/test/module/net_sql.pg.skipcond
index 59742b47ffdda03c13ce093855100b5963c47ff9..b0398c63b2b96493428c54b77aa9d43e27b92883 100644
--- a/test/module/net_sql.pg.skipcond
+++ b/test/module/net_sql.pg.skipcond
@@ -5,7 +5,7 @@ import os
 try:
     (host, port, user, password, db) = os.getenv('PG').split(':')
     for val in (host, port, user, password, db):
-        if val == '' :
+        if not val or val == ' ':
             raise ValueError ('Empty value')
     if not os.path.exists(os.path.join(self.args.builddir, 'src/module/pg/pg.so')):
         raise RuntimeError('No PG module found')