diff --git a/p/PHREEQC/PHREEQC-3.3.12-12704-intel-2017b.eb b/p/PHREEQC/PHREEQC-3.3.12-12704-intel-2017b.eb
index dfc06a9b..e72e388c 100644
--- a/p/PHREEQC/PHREEQC-3.3.12-12704-intel-2017b.eb
+++ b/p/PHREEQC/PHREEQC-3.3.12-12704-intel-2017b.eb
@@ -13,8 +13,7 @@ source_urls = ['ftp://brrftp.cr.usgs.gov/pub/charlton/phreeqc/']
 sources = ['phreeqc-%(version)s.tar.gz']
 
 postinstallcmds = [
-    'cd Tests',
-    'make && cd ..',
+    'make check',
     'cp Tests/ %(installdir)s/Tests -R',
 ]