diff --git a/var/spack/repos/builtin/packages/camp/package.py b/var/spack/repos/builtin/packages/camp/package.py
index 165fd0284d3..fc2d9c9ba02 100644
--- a/var/spack/repos/builtin/packages/camp/package.py
+++ b/var/spack/repos/builtin/packages/camp/package.py
@@ -29,11 +29,15 @@ class Camp(CMakePackage, CudaPackage, ROCmPackage):
 
     depends_on('cub', when='+cuda')
 
+    depends_on('blt')
+
     def cmake_args(self):
         spec = self.spec
 
         options = []
 
+        options.append("-DBLT_SOURCE_DIR={0}".format(spec['blt'].prefix))
+
         if '+cuda' in spec:
             options.extend([
                 '-DENABLE_CUDA=ON',