diff --git a/conda/conda-bootstrap.py b/conda/conda-bootstrap.py
index ac36531f5c2e19bafb1e45d77e3ab7094fb1a03b..695453ec418a35f0f645f1e6465b870d72c5a92a 100755
--- a/conda/conda-bootstrap.py
+++ b/conda/conda-bootstrap.py
@@ -82,6 +82,7 @@ def parse_dependencies(python, path):
 def conda_install(subcmd, env, packages):
   specs = []
   for k in packages:
+    k = ' '.join(k.split()[:2]) #remove eventual build string
     if any(elem in k for elem in '><|'): specs.append(k.replace(' ', ''))
     else: specs.append(k.replace(' ', '='))
   cmd = [CONDA, subcmd, '--yes', '--name', env] + specs