diff --git a/plugins/amda/tests/FuzzingDefs.cpp b/plugins/amda/tests/FuzzingDefs.cpp
index cf0add9..03b7b72 100644
--- a/plugins/amda/tests/FuzzingDefs.cpp
+++ b/plugins/amda/tests/FuzzingDefs.cpp
@@ -81,7 +81,8 @@ void FuzzingState::desynchronizeVariable(VariableId variableId, SyncGroupId sync
         return;
     }
 
-    // Unregisters variable from sync group: if there is no more variable in the group, resets the range
+    // Unregisters variable from sync group: if there is no more variable in the group, resets the
+    // range
     auto &syncGroup = m_SyncGroupsPool.at(syncGroupId);
     syncGroup.m_Variables.erase(variableId);
     if (syncGroup.m_Variables.empty()) {
@@ -89,3 +90,18 @@ void FuzzingState::desynchronizeVariable(VariableId variableId, SyncGroupId sync
     }
 }
 
+void FuzzingState::updateRanges(VariableId variableId, const SqpRange &newRange)
+{
+    auto syncGroupId = this->syncGroupId(variableId);
+
+    // Retrieves the variables to update:
+    // - if the variable is synchronized to others, updates all synchronized variables
+    // - otherwise, updates only the variable
+    auto variablesToUpdate = syncGroupId.isNull() ? std::set<VariableId>{variableId}
+                                                  : m_SyncGroupsPool.at(syncGroupId).m_Variables;
+
+    // Sets new range
+    for (const auto &variableId : variablesToUpdate) {
+        m_VariablesPool.at(variableId).m_Range = newRange;
+    }
+}
diff --git a/plugins/amda/tests/FuzzingDefs.h b/plugins/amda/tests/FuzzingDefs.h
index 0afef83..1fa585b 100644
--- a/plugins/amda/tests/FuzzingDefs.h
+++ b/plugins/amda/tests/FuzzingDefs.h
@@ -110,6 +110,10 @@ struct FuzzingState {
     /// @param syncGroupId the synchronization group from which to remove the variable
     void desynchronizeVariable(VariableId variableId, SyncGroupId syncGroupId);
 
+    /// Updates the range of a variable and all variables to which it is synchronized
+    /// @param the variable for which to affect the range
+    /// @param the range to affect
+    void updateRanges(VariableId variableId, const SqpRange &newRange);
 
     VariablesPool m_VariablesPool;
     SyncGroupsPool m_SyncGroupsPool;
diff --git a/plugins/amda/tests/FuzzingOperations.cpp b/plugins/amda/tests/FuzzingOperations.cpp
index a61dfa6..bba178c 100644
--- a/plugins/amda/tests/FuzzingOperations.cpp
+++ b/plugins/amda/tests/FuzzingOperations.cpp
@@ -136,15 +136,16 @@ struct MoveOperation : public IFuzzingOperation {
         auto delta = RandomGenerator::instance().generateDouble(0, deltaMax);
 
         // Moves variable to its new range
+        auto isSynchronized = !fuzzingState.syncGroupId(variableId).isNull();
         auto newVariableRange = SqpRange{m_RangeStartMoveFun(variableRange.m_TStart, delta),
                                          m_RangeEndMoveFun(variableRange.m_TEnd, delta)};
         qCInfo(LOG_FuzzingOperations()).noquote()
             << "Performing" << m_Label << "on" << variable->name() << "(from" << variableRange
             << "to" << newVariableRange << ")...";
-        variableController.onRequestDataLoading({variable}, newVariableRange, false);
+        variableController.onRequestDataLoading({variable}, newVariableRange, isSynchronized);
 
-        // Updates variable's state
-        variableState.m_Range = newVariableRange;
+        // Updates state
+        fuzzingState.updateRanges(variableId, newVariableRange);
     }
 
     MoveFunction m_RangeStartMoveFun;