diff --git a/var/spack/repos/builtin/packages/psrcat/package.py b/var/spack/repos/builtin/packages/psrcat/package.py
index 850fd16bd3..a82c3ddf1c 100644
--- a/var/spack/repos/builtin/packages/psrcat/package.py
+++ b/var/spack/repos/builtin/packages/psrcat/package.py
@@ -22,4 +22,4 @@ def build(self, spec, prefix):
 
     def install(self, spec, prefix):
         mkdirp(prefix.bin)
-        install("psrcat", bindir)
+        install("psrcat", prefix.bin)