diff --git a/api/src/main/java/com/redhat/insights/reports/AbstractTopLevelReportBase.java b/api/src/main/java/com/redhat/insights/reports/AbstractTopLevelReportBase.java
index 48ad2ac..f17f607 100644
--- a/api/src/main/java/com/redhat/insights/reports/AbstractTopLevelReportBase.java
+++ b/api/src/main/java/com/redhat/insights/reports/AbstractTopLevelReportBase.java
@@ -187,7 +187,7 @@ public void generateReport(Filtering masking) {
 
     // Check for -Xmn and -Xmx options on the command line
     for (String arg : inputArguments) {
-      if (arg.startsWith("-Xmn")) {
+      if (arg.startsWith("-Xms")) {
         heapMin = getMemorySize(arg.substring(4)).orElse(heapMin);
       } else if (arg.startsWith("-Xmx")) {
         heapMax = getMemorySize(arg.substring(4)).orElse(heapMax);