diff --git a/python/src/com/jetbrains/python/codeInsight/editorActions/moveUpDown/StatementMover.java b/python/src/com/jetbrains/python/codeInsight/editorActions/moveUpDown/StatementMover.java
index 2d5f5715b2ab..513d5d06b781 100644
--- a/python/src/com/jetbrains/python/codeInsight/editorActions/moveUpDown/StatementMover.java
+++ b/python/src/com/jetbrains/python/codeInsight/editorActions/moveUpDown/StatementMover.java
@@ -129,7 +129,7 @@ public class StatementMover extends LineMover {
     PyElement statementPart = getStatementParts(info, editor, file, down).first;
     if (statementPart instanceof PyStatementPart) {
       PyStatementList statementList = ((PyStatementPart)statementPart).getStatementList();
-      if (statementList != null && statementList.getStatements().length == 1) {
+      if (statementList != null && statementList.getStatements().length == 1 && !(myStatementToMove instanceof PsiComment)) {
         if (theSameLevel) {
           myStatementListToAddPassAfter = statementList;
         }
diff --git a/python/testData/mover/commentOut.py b/python/testData/mover/commentOut.py
new file mode 100644
index 000000000000..5131d71cf8db
--- /dev/null
+++ b/python/testData/mover/commentOut.py
@@ -0,0 +1,5 @@
+if True:
+    a = 1
+else:
+    #comment   <caret>
+    a = 2
\ No newline at end of file
diff --git a/python/testData/mover/commentOut_afterDown.py b/python/testData/mover/commentOut_afterDown.py
new file mode 100644
index 000000000000..279856eca063
--- /dev/null
+++ b/python/testData/mover/commentOut_afterDown.py
@@ -0,0 +1,5 @@
+if True:
+    a = 1
+else:
+    a = 2
+    #comment   <caret>
diff --git a/python/testData/mover/commentOut_afterUp.py b/python/testData/mover/commentOut_afterUp.py
new file mode 100644
index 000000000000..c0dc51720469
--- /dev/null
+++ b/python/testData/mover/commentOut_afterUp.py
@@ -0,0 +1,5 @@
+if True:
+    a = 1
+    #comment   <caret>
+else:
+    a = 2
\ No newline at end of file
diff --git a/python/testSrc/com/jetbrains/python/PyStatementMoverTest.java b/python/testSrc/com/jetbrains/python/PyStatementMoverTest.java
index 39a524e74cad..b345b346ef82 100644
--- a/python/testSrc/com/jetbrains/python/PyStatementMoverTest.java
+++ b/python/testSrc/com/jetbrains/python/PyStatementMoverTest.java
@@ -41,11 +41,15 @@ public class PyStatementMoverTest extends PyTestCase {
     doTest();
   }
 
+  public void testCommentOut() {  //PY-5527
+    doTest();
+  }
+
   public void testMoveDownOut() {
     doTest();
   }
 
-  public void testComment() {
+  public void testComment() {   //PY-5270
     doTest();
   }