diff --git a/src/Math/Vector.h b/src/Math/Vector.h
index 3b1dc7057..d84f312ab 100644
--- a/src/Math/Vector.h
+++ b/src/Math/Vector.h
@@ -20,8 +20,8 @@
  */
 
 #include <cmath>
+#include <Utility/Debug.h>
 
-#include "Utility/Debug.h"
 #include "MathTypeTraits.h"
 
 namespace Magnum { namespace Math {
diff --git a/src/MeshTools/Clean.h b/src/MeshTools/Clean.h
index 837a47b10..a0b4ccade 100644
--- a/src/MeshTools/Clean.h
+++ b/src/MeshTools/Clean.h
@@ -21,8 +21,8 @@
 
 #include <unordered_map>
 #include <limits>
+#include <Utility/MurmurHash2.h>
 
-#include "Utility/MurmurHash2.h"
 #include "TypeTraits.h"
 
 namespace Magnum { namespace MeshTools {
diff --git a/src/MeshTools/Subdivide.h b/src/MeshTools/Subdivide.h
index 4202799d3..444c44611 100644
--- a/src/MeshTools/Subdivide.h
+++ b/src/MeshTools/Subdivide.h
@@ -20,7 +20,7 @@
  */
 
 #include <vector>
-#include "Utility/Debug.h"
+#include <Utility/Debug.h>
 
 namespace Magnum { namespace MeshTools {
 
diff --git a/src/MeshTools/Test/CompressIndicesTest.cpp b/src/MeshTools/Test/CompressIndicesTest.cpp
index 551108f2d..23faac289 100644
--- a/src/MeshTools/Test/CompressIndicesTest.cpp
+++ b/src/MeshTools/Test/CompressIndicesTest.cpp
@@ -16,8 +16,8 @@
 #include "CompressIndicesTest.h"
 
 #include <QtTest/QTest>
+#include <Utility/Endianness.h>
 
-#include "Utility/Endianness.h"
 #include "MeshTools/CompressIndices.h"
 
 QTEST_APPLESS_MAIN(Magnum::MeshTools::Test::CompressIndicesTest)
diff --git a/src/Physics/Test/SphereTest.cpp b/src/Physics/Test/SphereTest.cpp
index f0c9944b0..f8b1a06b9 100644
--- a/src/Physics/Test/SphereTest.cpp
+++ b/src/Physics/Test/SphereTest.cpp
@@ -16,7 +16,6 @@
 #include "SphereTest.h"
 
 #include <QtTest/QTest>
-#include "Utility/Debug.h"
 
 #include "Physics/Sphere.h"
 
diff --git a/src/Shaders/PhongShader.cpp b/src/Shaders/PhongShader.cpp
index 363c91bcd..378a3e664 100644
--- a/src/Shaders/PhongShader.cpp
+++ b/src/Shaders/PhongShader.cpp
@@ -15,7 +15,7 @@
 
 #include "PhongShader.h"
 
-#include "Utility/Resource.h"
+#include <Utility/Resource.h>
 
 namespace Magnum { namespace Shaders {
 
diff --git a/src/Trade/AbstractImporter.h b/src/Trade/AbstractImporter.h
index 5faa77607..dc0677a78 100644
--- a/src/Trade/AbstractImporter.h
+++ b/src/Trade/AbstractImporter.h
@@ -19,7 +19,8 @@
  * @brief Class Magnum::Trade::AbstractImporter
  */
 
-#include "PluginManager/Plugin.h"
+#include <PluginManager/Plugin.h>
+
 #include "ImageData.h"
 #include "Set.h"