diff --git a/src/main/java/ru/ulstu/fc/rule/model/Variable.java b/src/main/java/ru/ulstu/fc/rule/model/Variable.java
index 9343d64..fbb7ebc 100644
--- a/src/main/java/ru/ulstu/fc/rule/model/Variable.java
+++ b/src/main/java/ru/ulstu/fc/rule/model/Variable.java
@@ -26,7 +26,7 @@ public class Variable extends BaseEntity {
     private boolean input = true;
     
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
-    @JoinColumn(name = "variable_id", unique = true)
+    @JoinColumn(name = "variable_id")
     private List<FuzzyTerm> fuzzyTerms = new ArrayList<>();
 
     public Variable() {
diff --git a/src/main/java/ru/ulstu/fc/rule/service/FuzzyTermService.java b/src/main/java/ru/ulstu/fc/rule/service/FuzzyTermService.java
index 5561836..339b906 100644
--- a/src/main/java/ru/ulstu/fc/rule/service/FuzzyTermService.java
+++ b/src/main/java/ru/ulstu/fc/rule/service/FuzzyTermService.java
@@ -36,7 +36,9 @@ public class FuzzyTermService {
         term.setDescription(fuzzyTermForm.getDescription());
         term.setCrispValue(fuzzyTermForm.getCrispValue());
         FuzzyTerm ft = fuzzyTermRepository.save(term);
-        variableService.addFuzzyTerm(fuzzyTermForm.getVariableId(), ft);
+        if (fuzzyTermForm.getId() == null || fuzzyTermForm.getId() == 0) {
+            variableService.addFuzzyTerm(fuzzyTermForm.getVariableId(), ft);
+        }
         return ft;
 
     }