diff --git a/src/imageformats/exr.cpp b/src/imageformats/exr.cpp
index 170364c..07ead6c 100644
--- a/src/imageformats/exr.cpp
+++ b/src/imageformats/exr.cpp
@@ -30,7 +30,7 @@
 
 #include <QImage>
 #include <QDataStream>
-// #include <QDebug>
+#include <QDebug>
 #include <QImageIOPlugin>
 
 class K_IStream: public Imf::IStream
diff --git a/src/imageformats/pcx.cpp b/src/imageformats/pcx.cpp
index a617477..ad12c85 100644
--- a/src/imageformats/pcx.cpp
+++ b/src/imageformats/pcx.cpp
@@ -11,7 +11,7 @@
 
 #include <QColor>
 #include <QDataStream>
-// #include <QDebug>
+#include <QDebug>
 #include <QImage>
 
 
diff --git a/src/imageformats/ras.cpp b/src/imageformats/ras.cpp
index a09ac77..1b866f2 100644
--- a/src/imageformats/ras.cpp
+++ b/src/imageformats/ras.cpp
@@ -13,7 +13,7 @@
 
 #include <QImage>
 #include <QDataStream>
-// #include <QDebug>
+#include <QDebug>
 
 namespace   // Private.
 {
diff --git a/src/imageformats/rgb.cpp b/src/imageformats/rgb.cpp
index f47ed5a..2eb60a8 100644
--- a/src/imageformats/rgb.cpp
+++ b/src/imageformats/rgb.cpp
@@ -27,7 +27,7 @@
 #include <QVector>
 
 #include <QImage>
-// #include <QDebug>
+#include <QDebug>
 
 class RLEData : public QVector<uchar>
 {
diff --git a/src/imageformats/tga.cpp b/src/imageformats/tga.cpp
index d2ced9c..ab05e33 100644
--- a/src/imageformats/tga.cpp
+++ b/src/imageformats/tga.cpp
@@ -24,7 +24,7 @@
 
 #include <QImage>
 #include <QDataStream>
-// #include <QDebug>
+#include <QDebug>
 
 typedef quint32 uint;
 typedef quint16 ushort;