diff --git a/core/src/main/java/hudson/model/AbstractProject.java b/core/src/main/java/hudson/model/AbstractProject.java
index a058b3ed711f42d35e9dd21d399cb1ff822dbc31..556bb6e077820eb213b920a089eddc2f1b9ea1ad 100644
--- a/core/src/main/java/hudson/model/AbstractProject.java
+++ b/core/src/main/java/hudson/model/AbstractProject.java
@@ -424,6 +424,11 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
     	return blockBuildWhenUpstreamBuilding;
     }
 
+    public void setBlockBuildWhenUpstreamBuilding(boolean b) throws IOException {
+    	blockBuildWhenUpstreamBuilding = b;
+	save();
+    }
+
     public boolean isDisabled() {
         return disabled;
     }
@@ -846,7 +851,7 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
      */
     public boolean isBuildBlocked() {
         boolean blocked = isBuilding() && !isConcurrentBuild();
-	if (!blocked && blockBuildWhenUpstreamBuilding) {
+	if (!blocked && blockBuildWhenUpstreamBuilding()) {
             AbstractProject bup = getBuildingUpstream();
             if(bup!=null) {
                 return true;
@@ -1339,7 +1344,8 @@ public abstract class AbstractProject<P extends AbstractProject<P,R>,R extends A
         } else {
         	scmCheckoutRetryCount = null;
         }
-
+	setBlockBuildWhenUpstreamBuilding(req.getParameter("blockBuildWhenUpstreamBuilding")!=null);
+	
         if(req.getParameter("hasSlaveAffinity")!=null) {
             canRoam = false;
             assignedNode = req.getParameter("slave");
diff --git a/core/src/main/resources/lib/hudson/project/config-blockWhenUpstreamBuilding.jelly b/core/src/main/resources/lib/hudson/project/config-blockWhenUpstreamBuilding.jelly
index d6ef66e07c272b93ef68cac2f3bb37d3e1c6fa06..d6339f27c8053641d4a2330885de64385a13fd94 100644
--- a/core/src/main/resources/lib/hudson/project/config-blockWhenUpstreamBuilding.jelly
+++ b/core/src/main/resources/lib/hudson/project/config-blockWhenUpstreamBuilding.jelly
@@ -24,6 +24,8 @@ THE SOFTWARE.
 
 <!-- Block build when upstream dependency is building -->
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
-  <f:optionalBlock name="blockBuildWhenUpstreamBuilding" title="${%Block build when upstream project is building}" help="/help/project-config/block-upstream-building.html"
+  <f:optionalBlock name="blockBuildWhenUpstreamBuilding"
+		   title="${%Block build when upstream project is building}"
+		   help="/help/project-config/block-upstream-building.html"
 		   checked="${it.blockBuildWhenUpstreamBuilding()}" />
 </j:jelly>
\ No newline at end of file