diff --git a/gnu/packages/glicid.scm b/gnu/packages/glicid.scm
index ddf02d5..97828a3 100644
--- a/gnu/packages/glicid.scm
+++ b/gnu/packages/glicid.scm
@@ -232,6 +232,9 @@
                "-DGMX_MPI=on"
                "-DCMAKE_C_COMPILER=mpicc"
                "-DCMAKE_CXX_COMPILER=mpicxx"
+	       "-DGMX_DOUBLE=off"
+	       "-DGMX_OPENMP=on"
+               "-DGMX_SIMD=AVX2_256"
                (string-append "-DTinyXML2_DIR="
                               (assoc-ref %build-inputs "tinyxml2"))
                ;; Workaround for cmake/FindSphinx.cmake version parsing that does