diff --git a/gradle/nshm.gradle b/gradle/nshm.gradle
index 2597e0c20c1f214c85a429768414eab10ed5ec74..db97e35b90dd561d9d03b1d49d3ae4634af7a18a 100644
--- a/gradle/nshm.gradle
+++ b/gradle/nshm.gradle
@@ -140,10 +140,10 @@ task testConus2018(type: Test) {
   }
 
   useJUnitPlatform()
-  // jvmArgs(
-  //     "-Xms2g",
-  //     "-Xmx${xmx}",
-  //     )
+  jvmArgs(
+      "-Xms${xmx}",
+      "-Xmx${xmx}",
+      )
 
   filter {
     includeTestsMatching "gov.usgs.earthquake.nshmp.model.NshmTests.testConus2018"