diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 773870b256..01bec7bac0 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -1128,7 +1128,7 @@ with that of libgomp, the GNU Offloading and Multi Processing Library.")
        (replace "llvm" llvm-7)))))
 
 (define-public clang-toolchain-7
-  (make-clang-toolchain clang-7))
+  (make-clang-toolchain clang-7 libomp-7))
 
 (define-public llvm-6
   (package