diff --git a/core/src/main/java/org/bitcoinj/params/RegTestParams.java b/core/src/main/java/org/bitcoinj/params/RegTestParams.java
index d426b0af..5bde32c2 100644
--- a/core/src/main/java/org/bitcoinj/params/RegTestParams.java
+++ b/core/src/main/java/org/bitcoinj/params/RegTestParams.java
@@ -30,7 +30,9 @@ public class RegTestParams extends TestNet2Params {
 
     public RegTestParams() {
         super();
-        interval = 10000;
+        // Difficulty adjustments are disabled for regtest. 
+        // By setting the block interval for difficulty adjustments to Integer.MAX_VALUE we make sure difficulty never changes.    
+        interval = Integer.MAX_VALUE;
         maxTarget = MAX_TARGET;
         subsidyDecreaseBlockCount = 150;
         port = 18444;