diff --git a/formatter/src/main/kotlin/org/kotlin/formatter/scanning/DoWhileExpressionScanner.kt b/formatter/src/main/kotlin/org/kotlin/formatter/scanning/DoWhileExpressionScanner.kt
index 9d64002..ec0a856 100644
--- a/formatter/src/main/kotlin/org/kotlin/formatter/scanning/DoWhileExpressionScanner.kt
+++ b/formatter/src/main/kotlin/org/kotlin/formatter/scanning/DoWhileExpressionScanner.kt
@@ -26,7 +26,7 @@ internal class DoWhileExpressionScanner(private val kotlinScanner: KotlinScanner
                 )
             }
             possibleWhitespace()
-            nodeOfType(KtTokens.WHILE_KEYWORD) thenMapToTokens { listOf(LeafNodeToken(" while(")) }
+            nodeOfType(KtTokens.WHILE_KEYWORD) thenMapToTokens { listOf(LeafNodeToken(" while (")) }
             possibleWhitespace()
             nodeOfType(KtTokens.LPAR)
             possibleWhitespace()
diff --git a/formatter/src/test/kotlin/org/kotlin/formatter/KotlinFormatterTest.kt b/formatter/src/test/kotlin/org/kotlin/formatter/KotlinFormatterTest.kt
index 46b92f8..7020e93 100644
--- a/formatter/src/test/kotlin/org/kotlin/formatter/KotlinFormatterTest.kt
+++ b/formatter/src/test/kotlin/org/kotlin/formatter/KotlinFormatterTest.kt
@@ -3104,7 +3104,7 @@ class KotlinFormatterTest {
                         aMethodWithLambda {
                             do {
                                 doSomething()
-                            } while(true)
+                            } while (true)
                         }
                     """.trimIndent()
                 )
@@ -3115,7 +3115,7 @@ class KotlinFormatterTest {
                     aMethodWithLambda {
                         do {
                             doSomething()
-                        } while(true)
+                        } while (true)
                     }
                 """.trimIndent()
             )
@@ -3129,7 +3129,7 @@ class KotlinFormatterTest {
             """
                 do {
                     doSomething()
-                } while(true)
+                } while (true)
             """.trimIndent()
         )
     }
@@ -3140,7 +3140,7 @@ class KotlinFormatterTest {
             """
                 do {
                     doSomething()
-                } while(true)
+                } while (true)
             """.trimIndent()
         )
 
@@ -3148,7 +3148,7 @@ class KotlinFormatterTest {
             """
                 do {
                     doSomething()
-                } while(true)
+                } while (true)
             """.trimIndent()
         )
     }