diff --git a/pulsar-client/src/main/resources/ahc.properties b/pulsar-client/src/main/resources/ahc.properties
index da6e871afecd029a3dbafa443c14f228e0e7b89f..92ca48bf037017729e598cf2be349a0db78a6847 100644
--- a/pulsar-client/src/main/resources/ahc.properties
+++ b/pulsar-client/src/main/resources/ahc.properties
@@ -45,3 +45,4 @@ com.yahoo.pulsar.shade.org.asynchttpclient.keepEncodingHeader=false
 com.yahoo.pulsar.shade.org.asynchttpclient.shutdownQuietPeriod=2000
 com.yahoo.pulsar.shade.org.asynchttpclient.shutdownTimeout=15000
 com.yahoo.pulsar.shade.org.asynchttpclient.useNativeTransport=false
+com.yahoo.pulsar.shade.org.asynchttpclient.ioThreadsCount=0
\ No newline at end of file