diff --git a/pkgs/development/compilers/ispc/default.nix b/pkgs/development/compilers/ispc/default.nix
index f4539bb9299..08958a42b44 100644
--- a/pkgs/development/compilers/ispc/default.nix
+++ b/pkgs/development/compilers/ispc/default.nix
@@ -1,4 +1,6 @@
-{stdenv, fetchFromGitHub, bash, which, m4, python, bison, flex, llvmPackages, clangWrapSelf}:
+{stdenv, fetchFromGitHub, bash, which, m4, python, bison, flex, llvmPackages, clangWrapSelf,
+testedTargets ? ["sse4" "host"]
+}:
 
 # TODO: patch LLVM so Skylake-EX works better (patch included in ispc github) - needed for LLVM 3.9?
 
@@ -6,6 +8,8 @@ stdenv.mkDerivation rec {
   version = "1.9.1";
   rev = "v${version}";
 
+  inherit testedTargets;
+
   name = "ispc-${version}";
 
   src = fetchFromGitHub {
@@ -44,8 +48,14 @@ stdenv.mkDerivation rec {
 
   checkPhase = ''
     export ISPC_HOME=$PWD
-    PATH=${llvmPackages.clang}/bin:$PATH python run_tests.py --non-interactive --verbose --file=test_output.log
-    fgrep -q "No new fails"  test_output.log || exit 1
+    for target in $testedTargets
+    do
+      echo "Testing target $target"
+      echo "================================"
+      echo
+      PATH=${llvmPackages.clang}/bin:$PATH python run_tests.py -t $target --non-interactive --verbose --file=test_output.log
+      fgrep -q "No new fails"  test_output.log || exit 1
+    done
   '';
 
   makeFlags = [