diff --git a/frontend/components/dataflow/connection/redesigned/RightPanel/ActionConfig/ActionConditionBuilder.tsx b/frontend/components/dataflow/connection/redesigned/RightPanel/ActionConfig/ActionConditionBuilder.tsx
index 15411fdd..cf6ffed4 100644
--- a/frontend/components/dataflow/connection/redesigned/RightPanel/ActionConfig/ActionConditionBuilder.tsx
+++ b/frontend/components/dataflow/connection/redesigned/RightPanel/ActionConfig/ActionConditionBuilder.tsx
@@ -488,14 +488,16 @@ const ActionConditionBuilder: React.FC<ActionConditionBuilderProps> = ({
                       {fromColumns.length > 0 && (
                         <>
                           <div className="text-muted-foreground px-2 py-1 text-xs font-medium">FROM 테이블</div>
-                          {fromColumns.map((column) => (
-                            <SelectItem key={`from_${column.columnName}`} value={`from.${column.columnName}`}>
-                              <div className="flex items-center gap-2">
-                                <span className="text-blue-600">📤</span>
-                                <span>{column.displayName || column.columnName}</span>
-                              </div>
-                            </SelectItem>
-                          ))}
+                          {fromColumns
+                            .filter((column) => column.columnName) // 빈 문자열 제외
+                            .map((column) => (
+                              <SelectItem key={`from_${column.columnName}`} value={`from.${column.columnName}`}>
+                                <div className="flex items-center gap-2">
+                                  <span className="text-blue-600">📤</span>
+                                  <span>{column.displayName || column.columnName}</span>
+                                </div>
+                              </SelectItem>
+                            ))}
                         </>
                       )}
 
@@ -503,14 +505,16 @@ const ActionConditionBuilder: React.FC<ActionConditionBuilderProps> = ({
                       {toColumns.length > 0 && (
                         <>
                           <div className="text-muted-foreground px-2 py-1 text-xs font-medium">TO 테이블</div>
-                          {toColumns.map((column) => (
-                            <SelectItem key={`to_${column.columnName}`} value={`to.${column.columnName}`}>
-                              <div className="flex items-center gap-2">
-                                <span className="text-green-600">📥</span>
-                                <span>{column.displayName || column.columnName}</span>
-                              </div>
-                            </SelectItem>
-                          ))}
+                          {toColumns
+                            .filter((column) => column.columnName) // 빈 문자열 제외
+                            .map((column) => (
+                              <SelectItem key={`to_${column.columnName}`} value={`to.${column.columnName}`}>
+                                <div className="flex items-center gap-2">
+                                  <span className="text-green-600">📥</span>
+                                  <span>{column.displayName || column.columnName}</span>
+                                </div>
+                              </SelectItem>
+                            ))}
                         </>
                       )}
                     </SelectContent>