diff --git a/.github/workflows/Spack.yml b/.github/workflows/Spack.yml
index f5408b8f..a02299ab 100644
--- a/.github/workflows/Spack.yml
+++ b/.github/workflows/Spack.yml
@@ -21,12 +21,8 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest"]
-        sharedlibs: ["+shared", "~shared"]
-        pic: ["+pic", "~pic"]
+        picshared: ["+pic +shared", "+pic ~shared", "~pic"]
         precision: ["precision=d", "precision=4", "precision=8"]
-        exclude:
-          - sharedlibs: +shared
-            pic: ~pic
 
     runs-on: ${{ matrix.os }}
 
diff --git a/spack/package.py b/spack/package.py
index 6934b2a8..81eba9d9 100644
--- a/spack/package.py
+++ b/spack/package.py
@@ -36,7 +36,7 @@ class W3emc(CMakePackage):
         description="Set precision (_4/_d/_8 library versions)",
         when="@2.10:",
     )
-    variant("shared", default=False, description="Build shared library", when="@2.10:")
+    variant("shared", default=False, description="Build shared library", when="@2.10: +pic")
     variant(
         "extradeps",
         default=False,
@@ -45,7 +45,6 @@ class W3emc(CMakePackage):
     )
 
     conflicts("+shared +extradeps", msg="Shared library cannot be built with unknown dependencies")
-    conflicts("+shared ~pic")
 
     depends_on("bufr", when="@2.10: +bufr")
     depends_on("bacio", when="@2.9.2:")