diff --git a/affinity/pom.xml b/affinity/pom.xml
index f634d4435..53a072427 100644
--- a/affinity/pom.xml
+++ b/affinity/pom.xml
@@ -110,6 +110,10 @@
         <profile>
             <id>make-c</id>
             <activation>
+                <os>
+                    <family>linux</family>
+                    <arch>!arm</arch>
+                </os>
                 <property>
                     <name>!dontMake</name>
                 </property>
diff --git a/affinity/src/main/java/net/openhft/affinity/impl/WindowsJNAAffinity.java b/affinity/src/main/java/net/openhft/affinity/impl/WindowsJNAAffinity.java
index 96e196178..c64bd15be 100644
--- a/affinity/src/main/java/net/openhft/affinity/impl/WindowsJNAAffinity.java
+++ b/affinity/src/main/java/net/openhft/affinity/impl/WindowsJNAAffinity.java
@@ -90,7 +90,7 @@ public void setAffinity(final BitSet affinity) {
         }
         BitSet affinity2 = getAffinity0();
         assert affinity2 != null;
-        if (!affinity2.equals(affinity)) {
+        if (!affinity2.intersects(affinity)) {
             LoggerFactory.getLogger(WindowsJNAAffinity.class).warn("Tried to set affinity to {} but was {} you may have insufficient access rights", affinity, affinity2);
         }
         currentAffinity.set((BitSet) affinity.clone());