diff --git a/src/tools/sdktool/addkeysoperation.cpp b/src/tools/sdktool/addkeysoperation.cpp
index 31559a082da..eea188db9a9 100644
--- a/src/tools/sdktool/addkeysoperation.cpp
+++ b/src/tools/sdktool/addkeysoperation.cpp
@@ -81,12 +81,12 @@ int AddKeysOperation::execute() const
 
     QVariantMap map = load(m_file);
 
-    map = addKeys(map, m_data);
-    if (map.isEmpty())
+    QVariantMap result = addKeys(map, m_data);
+    if (map.isEmpty() || map == result)
         return -4;
 
     // Write data again:
-    return save(map, m_file) ? 0 : -5;
+    return save(result, m_file) ? 0 : -5;
 }
 
 #ifdef WITH_TESTS
diff --git a/src/tools/sdktool/addkitoperation.cpp b/src/tools/sdktool/addkitoperation.cpp
index 499f2280f5c..03aed153d4a 100644
--- a/src/tools/sdktool/addkitoperation.cpp
+++ b/src/tools/sdktool/addkitoperation.cpp
@@ -214,13 +214,13 @@ int AddKitOperation::execute() const
     if (map.isEmpty())
         map = initializeKits();
 
-    map = addKit(map, m_id, m_displayName, m_icon, m_debuggerEngine, m_debugger,
-                 m_deviceType.toUtf8(), m_sysRoot, m_tc, m_qt, m_mkspec, m_extra);
+    QVariantMap result = addKit(map, m_id, m_displayName, m_icon, m_debuggerEngine, m_debugger,
+                                m_deviceType.toUtf8(), m_sysRoot, m_tc, m_qt, m_mkspec, m_extra);
 
-    if (map.isEmpty())
+    if (map.isEmpty() || map == result)
         return -2;
 
-    return save(map, QLatin1String("profiles")) ? 0 : -3;
+    return save(result, QLatin1String("profiles")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS
diff --git a/src/tools/sdktool/addqtoperation.cpp b/src/tools/sdktool/addqtoperation.cpp
index 1ab4b56c71d..5fa0b472988 100644
--- a/src/tools/sdktool/addqtoperation.cpp
+++ b/src/tools/sdktool/addqtoperation.cpp
@@ -152,12 +152,12 @@ int AddQtOperation::execute() const
     if (map.isEmpty())
         map = initializeQtVersions();
 
-    map = addQt(map, m_id, m_displayName, m_type, m_qmake, m_extra);
+    QVariantMap result = addQt(map, m_id, m_displayName, m_type, m_qmake, m_extra);
 
-    if (map.isEmpty())
+    if (map.isEmpty() || result == map)
         return -2;
 
-    return save(map, QLatin1String("qtversions")) ? 0 : -3;
+    return save(result, QLatin1String("qtversions")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS
diff --git a/src/tools/sdktool/addtoolchainoperation.cpp b/src/tools/sdktool/addtoolchainoperation.cpp
index 45351ae392f..0eeeb8dfdea 100644
--- a/src/tools/sdktool/addtoolchainoperation.cpp
+++ b/src/tools/sdktool/addtoolchainoperation.cpp
@@ -149,11 +149,11 @@ int AddToolChainOperation::execute() const
     if (map.isEmpty())
         map = initializeToolChains();
 
-    map = addToolChain(map, m_id, m_displayName, m_path, m_targetAbi, m_supportedAbis, m_extra);
-    if (map.isEmpty())
+    QVariantMap result = addToolChain(map, m_id, m_displayName, m_path, m_targetAbi, m_supportedAbis, m_extra);
+    if (map.isEmpty() || map == result)
         return -2;
 
-    return save(map, QLatin1String("toolchains")) ? 0 : -3;
+    return save(result, QLatin1String("toolchains")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS
diff --git a/src/tools/sdktool/rmkeysoperation.cpp b/src/tools/sdktool/rmkeysoperation.cpp
index 858e5a2f4e5..bd49b4df5bf 100644
--- a/src/tools/sdktool/rmkeysoperation.cpp
+++ b/src/tools/sdktool/rmkeysoperation.cpp
@@ -72,7 +72,7 @@ int RmKeysOperation::execute() const
         return 1;
 
     // Write data again:
-    return save(map, m_file) ? 0 : 2;
+    return save(result, m_file) ? 0 : 2;
 }
 
 #ifdef WITH_TESTS
diff --git a/src/tools/sdktool/rmkitoperation.cpp b/src/tools/sdktool/rmkitoperation.cpp
index b2699c7989c..31d95373328 100644
--- a/src/tools/sdktool/rmkitoperation.cpp
+++ b/src/tools/sdktool/rmkitoperation.cpp
@@ -87,12 +87,12 @@ int RmKitOperation::execute() const
     if (map.isEmpty())
         map = AddKitOperation::initializeKits();
 
-    map = rmKit(map, m_id);
+    QVariantMap result = rmKit(map, m_id);
 
-    if (map.isEmpty())
+    if (result.isEmpty() || result == map)
         return -2;
 
-    return save(map, QLatin1String("profiles")) ? 0 : -3;
+    return save(result, QLatin1String("profiles")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS
diff --git a/src/tools/sdktool/rmtoolchainoperation.cpp b/src/tools/sdktool/rmtoolchainoperation.cpp
index 9d6a96b8cea..0224e94f550 100644
--- a/src/tools/sdktool/rmtoolchainoperation.cpp
+++ b/src/tools/sdktool/rmtoolchainoperation.cpp
@@ -93,7 +93,7 @@ int RmToolChainOperation::execute() const
     if (result == map)
         return -2;
 
-    return save(map, QLatin1String("toolchains")) ? 0 : -3;
+    return save(result, QLatin1String("toolchains")) ? 0 : -3;
 }
 
 #ifdef WITH_TESTS