diff --git a/graphics/embree/embree.SlackBuild b/graphics/embree/embree.SlackBuild
index 0990609998..b3d6cf0506 100644
--- a/graphics/embree/embree.SlackBuild
+++ b/graphics/embree/embree.SlackBuild
@@ -125,7 +125,7 @@ cd build
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DCMAKE_INSTALL_MANDIR=/usr/man \
     -DCMAKE_INSTALL_DOCDIR=/usr/doc \
-    -DEMBREE_ISPC_SUPPORT=OFF \
+    -DEMBREE_ISPC_SUPPORT=ON \
     -DEMBREE_TASKING_SYSTEM=OFF \
     -DEMBREE_TUTORIALS=OFF \
     -DCMAKE_BUILD_TYPE=Release ..
diff --git a/graphics/embree/embree.info b/graphics/embree/embree.info
index b63bec292d..17b729fec0 100644
--- a/graphics/embree/embree.info
+++ b/graphics/embree/embree.info
@@ -5,6 +5,6 @@ DOWNLOAD="UNSUPPORTED"
 MD5SUM=""
 DOWNLOAD_x86_64="https://github.com/embree/embree/archive/v4.3.1/embree-4.3.1.tar.gz"
 MD5SUM_x86_64="dfb88f2019e093052a72a2cc6a43dfc4"
-REQUIRES="glfw3"
+REQUIRES="glfw3 ispc"
 MAINTAINER="Fernando Lopez Jr."
 EMAIL="fernando.lopezjr@gmail.com"