diff --git a/build/pkgs/pari/distros/conda.txt b/build/pkgs/pari/distros/conda.txt
index ef882b39cb0..88ec4bef346 100644
--- a/build/pkgs/pari/distros/conda.txt
+++ b/build/pkgs/pari/distros/conda.txt
@@ -1,3 +1,3 @@
-pari
+pari=*=*_pthread
 # We add these data packages because they are checked by spkg-configure.m4
 pari-elldata pari-galdata pari-galpol pari-seadata