diff --git a/var/spack/repos/builtin/packages/openfast/openmp.patch b/var/spack/repos/builtin/packages/openfast/openmp.patch
new file mode 100644
index 00000000000..5687e5b8891
--- /dev/null
+++ b/var/spack/repos/builtin/packages/openfast/openmp.patch
@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 2989bfe57..5fed42b44 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -110,7 +110,7 @@ include(${CMAKE_SOURCE_DIR}/cmake/set_rpath.cmake)
+ # OpenMP
+ #-------------------------------------------------------------------------------
+ 
+-if (OPENMP OR BUILD_FASTFARM OR BUILD_OPENFAST_CPP_API)
++if (OPENMP)
+   if (OPENMP)
+     FIND_PACKAGE(OpenMP REQUIRED)
+   else()
diff --git a/var/spack/repos/builtin/packages/openfast/package.py b/var/spack/repos/builtin/packages/openfast/package.py
index ab097acdd88..98bfbcb6320 100644
--- a/var/spack/repos/builtin/packages/openfast/package.py
+++ b/var/spack/repos/builtin/packages/openfast/package.py
@@ -46,6 +46,7 @@ class Openfast(CMakePackage):
     depends_on("fortran", type="build")  # generated
 
     patch("hub_seg_fault.patch", when="@2.7:3.2")
+    patch("openmp.patch", when="@3.5.3:3.5.4")
 
     variant("shared", default=True, description="Build shared libraries")
     variant("double-precision", default=True, description="Treat REAL as double precision")