diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
index 7909f3a..ae28988 100644
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -3,7 +3,7 @@
 include(ECMMarkAsTest)
 include(CMakeParseArguments)
 
-add_definitions(-DPLUGIN_DIR="${CMAKE_CURRENT_BINARY_DIR}/../src")
+add_definitions(-DPLUGIN_DIR="${CMAKE_CURRENT_BINARY_DIR}/../bin")
 remove_definitions(-DQT_NO_CAST_FROM_ASCII)
 
 macro(kimageformats_read_tests)
diff --git a/autotests/readtest.cpp b/autotests/readtest.cpp
index ece0e3f..05458e0 100644
--- a/autotests/readtest.cpp
+++ b/autotests/readtest.cpp
@@ -75,6 +75,7 @@ static bool fuzzyeq(const QImage &im1, const QImage &im2, uchar fuzziness)
 int main(int argc, char ** argv)
 {
     QCoreApplication app(argc, argv);
+    QCoreApplication::removeLibraryPath(QStringLiteral(PLUGIN_DIR));
     QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
     QCoreApplication::setApplicationName(QStringLiteral("readtest"));
     QCoreApplication::setApplicationVersion(QStringLiteral("1.0.0"));
diff --git a/autotests/writetest.cpp b/autotests/writetest.cpp
index 527d99b..0816e1c 100644
--- a/autotests/writetest.cpp
+++ b/autotests/writetest.cpp
@@ -34,6 +34,7 @@
 int main(int argc, char ** argv)
 {
     QCoreApplication app(argc, argv);
+    QCoreApplication::removeLibraryPath(QStringLiteral(PLUGIN_DIR));
     QCoreApplication::addLibraryPath(QStringLiteral(PLUGIN_DIR));
     QCoreApplication::setApplicationName(QStringLiteral("readtest"));
     QCoreApplication::setApplicationVersion(QStringLiteral("1.0.0"));