diff --git a/cas/1.0/default/Android.bp b/cas/1.0/default/Android.bp
index f9977ff7be..70f4371e0b 100644
--- a/cas/1.0/default/Android.bp
+++ b/cas/1.0/default/Android.bp
@@ -12,7 +12,7 @@ cc_defaults {
       "TypeConvert.cpp",
     ],
 
-    compile_multilib: "32",
+    compile_multilib: "prefer32",
 
     shared_libs: [
       "android.hardware.cas@1.0",
diff --git a/cas/1.0/default/FactoryLoader.h b/cas/1.0/default/FactoryLoader.h
index 18c2186dcb..45e515afbf 100644
--- a/cas/1.0/default/FactoryLoader.h
+++ b/cas/1.0/default/FactoryLoader.h
@@ -92,7 +92,12 @@ bool FactoryLoader<T>::findFactoryForScheme(
     }
 
     // no luck, have to search
+#ifdef __LP64__
+    String8 dirPath("/vendor/lib64/mediacas");
+#else
     String8 dirPath("/vendor/lib/mediacas");
+#endif
+
     DIR* pDir = opendir(dirPath.string());
 
     if (pDir == NULL) {
@@ -127,7 +132,12 @@ bool FactoryLoader<T>::enumeratePlugins(
 
     results->clear();
 
+#ifdef __LP64__
+    String8 dirPath("/vendor/lib64/mediacas");
+#else
     String8 dirPath("/vendor/lib/mediacas");
+#endif
+
     DIR* pDir = opendir(dirPath.string());
 
     if (pDir == NULL) {
diff --git a/cas/1.1/default/Android.bp b/cas/1.1/default/Android.bp
index 66a1eb8804..8e1f20772d 100644
--- a/cas/1.1/default/Android.bp
+++ b/cas/1.1/default/Android.bp
@@ -12,7 +12,7 @@ cc_defaults {
       "TypeConvert.cpp",
     ],
 
-    compile_multilib: "32",
+    compile_multilib: "prefer32",
 
     shared_libs: [
       "android.hardware.cas@1.0",
diff --git a/cas/1.1/default/FactoryLoader.h b/cas/1.1/default/FactoryLoader.h
index c4a48e2852..121f90c333 100644
--- a/cas/1.1/default/FactoryLoader.h
+++ b/cas/1.1/default/FactoryLoader.h
@@ -85,7 +85,11 @@ bool FactoryLoader<T>::findFactoryForScheme(int32_t CA_system_id, sp<SharedLibra
     }
 
     // no luck, have to search
+#ifdef __LP64__
+    String8 dirPath("/vendor/lib64/mediacas");
+#else
     String8 dirPath("/vendor/lib/mediacas");
+#endif
     DIR* pDir = opendir(dirPath.string());
 
     if (pDir == NULL) {
@@ -118,7 +122,11 @@ bool FactoryLoader<T>::enumeratePlugins(vector<HidlCasPluginDescriptor>* results
 
     results->clear();
 
+#ifdef __LP64__
+    String8 dirPath("/vendor/lib64/mediacas");
+#else
     String8 dirPath("/vendor/lib/mediacas");
+#endif
     DIR* pDir = opendir(dirPath.string());
 
     if (pDir == NULL) {
diff --git a/cas/1.2/default/Android.bp b/cas/1.2/default/Android.bp
index 9e5314874f..d855e85a67 100644
--- a/cas/1.2/default/Android.bp
+++ b/cas/1.2/default/Android.bp
@@ -12,7 +12,7 @@ cc_defaults {
       "TypeConvert.cpp",
     ],
 
-    compile_multilib: "32",
+    compile_multilib: "prefer32",
 
     shared_libs: [
       "android.hardware.cas@1.0",
diff --git a/cas/1.2/default/FactoryLoader.h b/cas/1.2/default/FactoryLoader.h
index 7403f86ac9..a374b31891 100644
--- a/cas/1.2/default/FactoryLoader.h
+++ b/cas/1.2/default/FactoryLoader.h
@@ -85,7 +85,11 @@ bool FactoryLoader<T>::findFactoryForScheme(int32_t CA_system_id, sp<SharedLibra
     }
 
     // no luck, have to search
+#ifdef __LP64__
+    String8 dirPath("/vendor/lib64/mediacas");
+#else
     String8 dirPath("/vendor/lib/mediacas");
+#endif
     DIR* pDir = opendir(dirPath.string());
 
     if (pDir == NULL) {
@@ -118,7 +122,11 @@ bool FactoryLoader<T>::enumeratePlugins(vector<HidlCasPluginDescriptor>* results
 
     results->clear();
 
+#ifdef __LP64__
+    String8 dirPath("/vendor/lib64/mediacas");
+#else
     String8 dirPath("/vendor/lib/mediacas");
+#endif
     DIR* pDir = opendir(dirPath.string());
 
     if (pDir == NULL) {