diff --git a/var/spack/repos/builtin/packages/cbtf-argonavis/package.py b/var/spack/repos/builtin/packages/cbtf-argonavis/package.py
index 08eff226b09..c79efb8fa40 100644
--- a/var/spack/repos/builtin/packages/cbtf-argonavis/package.py
+++ b/var/spack/repos/builtin/packages/cbtf-argonavis/package.py
@@ -58,7 +58,7 @@ class CbtfArgonavis(Package):
             git='https://github.com/OpenSpeedShop/cbtf-argonavis.git')
 
     depends_on("cmake@3.0.2:", type='build')
-    depends_on("boost@1.50.0:boost@1.59.0")
+    depends_on("boost@1.50.0:1.59.0")
     depends_on("papi")
     depends_on("mrnet@5.0.1:+lwthreads")
     depends_on("cbtf")