diff --git a/pisi/operations/build.py b/pisi/operations/build.py
index fa02efa3..8f917f31 100644
--- a/pisi/operations/build.py
+++ b/pisi/operations/build.py
@@ -525,7 +525,8 @@ class Builder:
                 if ctx.ui.confirm(
                 _('Do you want to install the unsatisfied build dependencies')):
                     ctx.ui.info(_('Installing build dependencies.'))
-                    pisi.api.install([dep.package for dep in dep_unsatis], reinstall=True)
+                    if not pisi.api.install([dep.package for dep in dep_unsatis], reinstall=True):
+                        fail()
                 else:
                     fail()
             else: