diff --git a/pkgs/test/cc-wrapper/multilib.nix b/pkgs/test/cc-wrapper/multilib.nix
index 828ad67f6c87..a26880681f22 100644
--- a/pkgs/test/cc-wrapper/multilib.nix
+++ b/pkgs/test/cc-wrapper/multilib.nix
@@ -10,23 +10,23 @@ stdenv.mkDerivation {
     NIX_DEBUG=1 $CC -v
     NIX_DEBUG=1 $CXX -v
 
-    printf "checking whether compiler builds valid C binaries... " >&2
+    printf "checking whether compiler builds valid C binaries...\n " >&2
     $CC -o cc-check ${./cc-main.c}
     ./cc-check
 
-    printf "checking whether compiler builds valid 32bit C binaries... " >&2
+    printf "checking whether compiler builds valid 32bit C binaries...\n " >&2
     $CC -m32 -o c32-check ${./cc-main.c}
     ./c32-check
 
-    printf "checking whether compiler builds valid 64bit C binaries... " >&2
+    printf "checking whether compiler builds valid 64bit C binaries...\n " >&2
     $CC -m64 -o c64-check ${./cc-main.c}
     ./c64-check
 
-    printf "checking whether compiler builds valid 32bit C++ binaries... " >&2
+    printf "checking whether compiler builds valid 32bit C++ binaries...\n " >&2
     $CXX -m32 -o cxx32-check ${./cxx-main.cc}
     ./cxx32-check
 
-    printf "checking whether compiler builds valid 64bit C++ binaries... " >&2
+    printf "checking whether compiler builds valid 64bit C++ binaries...\n " >&2
     $CXX -m64 -o cxx64-check ${./cxx-main.cc}
     ./cxx64-check