diff --git a/closed/src/java.base/share/classes/openj9/internal/security/RestrictedSecurity.java b/closed/src/java.base/share/classes/openj9/internal/security/RestrictedSecurity.java
index 9bacf62f094..a41ffd84d1d 100644
--- a/closed/src/java.base/share/classes/openj9/internal/security/RestrictedSecurity.java
+++ b/closed/src/java.base/share/classes/openj9/internal/security/RestrictedSecurity.java
@@ -64,7 +64,7 @@ public final class RestrictedSecurity {
 
     private static RestrictedSecurityProperties restricts;
 
-    private static final List<String> supportPlatforms = List.of("amd64");
+    private static final List<String> supportPlatforms = List.of("amd64", "ppc64le", "s390x");
 
     static {
         @SuppressWarnings("removal")
diff --git a/src/java.base/share/conf/security/java.security b/src/java.base/share/conf/security/java.security
index 7fe0e69659b..a411a66216f 100644
--- a/src/java.base/share/conf/security/java.security
+++ b/src/java.base/share/conf/security/java.security
@@ -82,7 +82,7 @@ security.provider.tbd=Apple
 #endif
 security.provider.tbd=SunPKCS11
 
-#ifdef linux-x86
+#if defined(linux-x86) || defined(linux-ppc64le) || defined(linux-s390x)
 #
 # Java Restricted Security Mode
 #