diff --git a/JsonGenerator/IndentedPrintDecorator.cpp b/JsonGenerator/IndentedPrintDecorator.cpp
index 56fed033..49bff98d 100644
--- a/JsonGenerator/IndentedPrintDecorator.cpp
+++ b/JsonGenerator/IndentedPrintDecorator.cpp
@@ -39,6 +39,17 @@ size_t IndentedPrintDecorator::write(uint8_t c)
             return sink.write(c) + writeln();
         }
 
+    case ':':
+        previousChar = c;
+        if (isInAString)
+        {
+            return sink.write(c);
+        }
+        else
+        {
+            return sink.write(c) + sink.write(' ');
+        }
+
     case '\"':
         if (previousChar != '\\')
         {
diff --git a/JsonGeneratorTests/IntentedPrintTests.cpp b/JsonGeneratorTests/IntentedPrintTests.cpp
index 78b94986..cfcf8458 100644
--- a/JsonGeneratorTests/IntentedPrintTests.cpp
+++ b/JsonGeneratorTests/IntentedPrintTests.cpp
@@ -42,7 +42,7 @@ namespace JsonGeneratorTests
             whenInputIs("{\"key\":\"value\"}");
             outputMustBe(
                 "{\n"
-                " \"key\":\"value\"\n"
+                " \"key\": \"value\"\n"
                 "}");
         }
 
@@ -51,8 +51,8 @@ namespace JsonGeneratorTests
             whenInputIs("{\"key1\":\"value1\",\"key2\":\"value2\"}");
             outputMustBe(
                 "{\n"
-                " \"key1\":\"value1\",\n"
-                " \"key2\":\"value2\"\n"
+                " \"key1\": \"value1\",\n"
+                " \"key2\": \"value2\"\n"
                 "}");
         }
 
@@ -61,7 +61,7 @@ namespace JsonGeneratorTests
             whenInputIs("{\"key\":\":\\\"',\"}");
             outputMustBe(
                 "{\n"
-                " \"key\":\":\\\"',\"\n"
+                " \"key\": \":\\\"',\"\n"
                 "}");
         }