diff --git a/broadcastradio/common/utilsaidl/Utils.cpp b/broadcastradio/common/utilsaidl/Utils.cpp
index ad82366..0551bad 100644
--- a/broadcastradio/common/utilsaidl/Utils.cpp
+++ b/broadcastradio/common/utilsaidl/Utils.cpp
@@ -136,9 +136,18 @@
             return getHdSubchannel(b) == 0 &&
                    haveEqualIds(a, b, IdentifierType::AMFM_FREQUENCY_KHZ);
         case IdentifierType::DAB_SID_EXT:
-            return haveEqualIds(a, b, IdentifierType::DAB_SID_EXT) &&
-                   haveEqualIds(a, b, IdentifierType::DAB_ENSEMBLE) &&
-                   haveEqualIds(a, b, IdentifierType::DAB_FREQUENCY_KHZ);
+            if (!haveEqualIds(a, b, IdentifierType::DAB_SID_EXT)) {
+                return false;
+            }
+            if (hasId(a, IdentifierType::DAB_ENSEMBLE) &&
+                !haveEqualIds(a, b, IdentifierType::DAB_ENSEMBLE)) {
+                return false;
+            }
+            if (hasId(a, IdentifierType::DAB_FREQUENCY_KHZ) &&
+                !haveEqualIds(a, b, IdentifierType::DAB_FREQUENCY_KHZ)) {
+                return false;
+            }
+            return true;
         case IdentifierType::DRMO_SERVICE_ID:
             return haveEqualIds(a, b, IdentifierType::DRMO_SERVICE_ID);
         case IdentifierType::SXM_SERVICE_ID:
@@ -289,25 +298,7 @@
          sel.primaryId.type > IdentifierType::VENDOR_END)) {
         return false;
     }
-    if (!isValid(sel.primaryId)) {
-        return false;
-    }
-
-    bool isDab = sel.primaryId.type == IdentifierType::DAB_SID_EXT;
-    bool hasDabEnsemble = false;
-    bool hasDabFrequency = false;
-    for (auto it = sel.secondaryIds.begin(); it != sel.secondaryIds.end(); it++) {
-        if (!isValid(*it)) {
-            return false;
-        }
-        if (isDab && it->type == IdentifierType::DAB_ENSEMBLE) {
-            hasDabEnsemble = true;
-        }
-        if (isDab && it->type == IdentifierType::DAB_FREQUENCY_KHZ) {
-            hasDabFrequency = true;
-        }
-    }
-    return !isDab || (hasDabEnsemble && hasDabFrequency);
+    return isValid(sel.primaryId);
 }
 
 ProgramIdentifier makeIdentifier(IdentifierType type, int64_t value) {
@@ -320,6 +311,12 @@
     return sel;
 }
 
+ProgramSelector makeSelectorDab(int64_t sidExt) {
+    ProgramSelector sel = {};
+    sel.primaryId = makeIdentifier(IdentifierType::DAB_SID_EXT, sidExt);
+    return sel;
+}
+
 ProgramSelector makeSelectorDab(int64_t sidExt, int32_t ensemble, int64_t freq) {
     ProgramSelector sel = {};
     sel.primaryId = makeIdentifier(IdentifierType::DAB_SID_EXT, sidExt);
diff --git a/broadcastradio/common/utilsaidl/include/broadcastradio-utils-aidl/Utils.h b/broadcastradio/common/utilsaidl/include/broadcastradio-utils-aidl/Utils.h
index beebd03..ad075f2 100644
--- a/broadcastradio/common/utilsaidl/include/broadcastradio-utils-aidl/Utils.h
+++ b/broadcastradio/common/utilsaidl/include/broadcastradio-utils-aidl/Utils.h
@@ -138,6 +138,7 @@
 
 ProgramIdentifier makeIdentifier(IdentifierType type, int64_t value);
 ProgramSelector makeSelectorAmfm(int32_t frequency);
+ProgramSelector makeSelectorDab(int64_t sidExt);
 ProgramSelector makeSelectorDab(int64_t sidExt, int32_t ensemble, int64_t freq);
 
 bool satisfies(const ProgramFilter& filter, const ProgramSelector& sel);