diff --git a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMConsequenceStubBuilder.java b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMConsequenceStubBuilder.java
index 344c690..c10c515 100644
--- a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMConsequenceStubBuilder.java
+++ b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMConsequenceStubBuilder.java
@@ -72,6 +72,8 @@ public class ASMConsequenceStubBuilder extends ASMConsequenceBuilder {
                 mv.visitTryCatchBlock(syncStart, l1, l2, null);
                 Label l3 = new Label();
                 mv.visitTryCatchBlock(l2, l3, l2, null);
+                getFieldFromThis("consequence", Consequence.class);
+                mv.visitJumpInsn(IFNONNULL, syncEnd);
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitInsn(DUP);
                 mv.visitVarInsn(ASTORE, 3);
diff --git a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMEvalStubBuilder.java b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMEvalStubBuilder.java
index c6cd696..8b95d88 100644
--- a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMEvalStubBuilder.java
+++ b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMEvalStubBuilder.java
@@ -63,6 +63,8 @@ public class ASMEvalStubBuilder extends AbstractASMEvalBuilder {
                 mv.visitTryCatchBlock(syncStart, l1, l2, null);
                 Label l3 = new Label();
                 mv.visitTryCatchBlock(l2, l3, l2, null);
+                getFieldFromThis("eval", EvalExpression.class);
+                mv.visitJumpInsn(IFNONNULL, syncEnd);
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitInsn(DUP);
                 mv.visitVarInsn(ASTORE, 5);
diff --git a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMPredicateStubBuilder.java b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMPredicateStubBuilder.java
index fb02d29..3d33227 100644
--- a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMPredicateStubBuilder.java
+++ b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMPredicateStubBuilder.java
@@ -58,6 +58,8 @@ public class ASMPredicateStubBuilder extends AbstractASMPredicateBuilder {
                 mv.visitTryCatchBlock(syncStart, l1, l2, null);
                 Label l3 = new Label();
                 mv.visitTryCatchBlock(l2, l3, l2, null);
+                getFieldFromThis("predicate", PredicateExpression.class);
+                mv.visitJumpInsn(IFNONNULL, syncEnd);
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitInsn(DUP);
                 mv.visitVarInsn(ASTORE, 7);
diff --git a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMReturnValueStubBuilder.java b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMReturnValueStubBuilder.java
index 93b6cda..1d0122d 100644
--- a/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMReturnValueStubBuilder.java
+++ b/drools-compiler/src/main/java/org/drools/compiler/rule/builder/dialect/asm/ASMReturnValueStubBuilder.java
@@ -58,6 +58,8 @@ public class ASMReturnValueStubBuilder extends AbstractASMReturnValueBuilder {
                 mv.visitTryCatchBlock(syncStart, l1, l2, null);
                 Label l3 = new Label();
                 mv.visitTryCatchBlock(l2, l3, l2, null);
+                getFieldFromThis("returnValue", ReturnValueExpression.class);
+                mv.visitJumpInsn(IFNONNULL, syncEnd);
                 mv.visitVarInsn(ALOAD, 0);
                 mv.visitInsn(DUP);
                 mv.visitVarInsn(ASTORE, 7);