diff --git a/python/src/com/jetbrains/python/inspections/quickfix/RedundantParenthesesQuickFix.java b/python/src/com/jetbrains/python/inspections/quickfix/RedundantParenthesesQuickFix.java
index 7224cccbf4d9..3c4343420c54 100644
--- a/python/src/com/jetbrains/python/inspections/quickfix/RedundantParenthesesQuickFix.java
+++ b/python/src/com/jetbrains/python/inspections/quickfix/RedundantParenthesesQuickFix.java
@@ -72,7 +72,8 @@ public class RedundantParenthesesQuickFix implements LocalQuickFix {
         right instanceof PyParenthesizedExpression) {
       PyExpression leftContained = ((PyParenthesizedExpression)left).getContainedExpression();
       PyExpression rightContained = ((PyParenthesizedExpression)right).getContainedExpression();
-      if (leftContained != null && rightContained != null) {
+      if (leftContained != null && rightContained != null &&
+          !(leftContained instanceof PyTupleExpression) && !(rightContained instanceof PyTupleExpression)) {
         left.replace(leftContained);
         right.replace(rightContained);
         return true;
diff --git a/python/testData/inspections/RedundantParenthesesInTuples.py b/python/testData/inspections/RedundantParenthesesInTuples.py
new file mode 100644
index 000000000000..668372db89b9
--- /dev/null
+++ b/python/testData/inspections/RedundantParenthesesInTuples.py
@@ -0,0 +1 @@
+print("%d%s%s" % (((1,) + <caret>("", ""))))
\ No newline at end of file
diff --git a/python/testData/inspections/RedundantParenthesesInTuples_after.py b/python/testData/inspections/RedundantParenthesesInTuples_after.py
new file mode 100644
index 000000000000..31ac4040ce02
--- /dev/null
+++ b/python/testData/inspections/RedundantParenthesesInTuples_after.py
@@ -0,0 +1 @@
+print("%d%s%s" % ((1,) + ("", "")))
\ No newline at end of file
diff --git a/python/testSrc/com/jetbrains/python/PyQuickFixTest.java b/python/testSrc/com/jetbrains/python/PyQuickFixTest.java
index dded82dd8930..96deaf719141 100644
--- a/python/testSrc/com/jetbrains/python/PyQuickFixTest.java
+++ b/python/testSrc/com/jetbrains/python/PyQuickFixTest.java
@@ -244,6 +244,11 @@ public class PyQuickFixTest extends PyTestCase {
     doInspectionTest(PyRedundantParenthesesInspection.class, PyBundle.message("QFIX.redundant.parentheses"), true, true);
   }
 
+  // PY-18203
+  public void testRedundantParenthesesInTuples() {
+    doInspectionTest(PyRedundantParenthesesInspection.class, PyBundle.message("QFIX.redundant.parentheses"), true, true);
+  }
+
   // PY-1020
   public void testChainedComparisons() {
     doInspectionTest(PyChainedComparisonsInspection.class, PyBundle.message("QFIX.chained.comparison"), true, true);