diff --git a/kimgio/ico.cpp b/kimgio/ico.cpp
index 3ea71a9c..8e9e7797 100644
--- a/kimgio/ico.cpp
+++ b/kimgio/ico.cpp
@@ -436,7 +436,7 @@ bool ICOHandler::canRead(QIODevice *device)
 
     for (int i = 0; i < HeadersTblSize; i++) {
         if (::memcmp(data.constData(), HeadersTbl[i].header, HeadersTbl[i].headersize) == 0) {
-            kDebug() << "Header detected";
+            kDebug() << "ICO header detected" << i;
             return true;
         }
     }
diff --git a/kimgio/jpg.cpp b/kimgio/jpg.cpp
index 412b273e..887f2a14 100644
--- a/kimgio/jpg.cpp
+++ b/kimgio/jpg.cpp
@@ -230,7 +230,7 @@ bool JPGHandler::canRead(QIODevice *device)
     for (int i = 0; i < HeadersTblSize; i++) {
         if (data.size() >= HeadersTbl[i].headersize &&
             ::memcmp(data.constData(), HeadersTbl[i].header, HeadersTbl[i].headersize) == 0) {
-            kDebug() << "Header detected";
+            kDebug() << "JPG header detected" << i;
             return true;
         }
     }
diff --git a/kimgio/tiff.cpp b/kimgio/tiff.cpp
index 8a3f5529..7fe8f6be 100644
--- a/kimgio/tiff.cpp
+++ b/kimgio/tiff.cpp
@@ -333,7 +333,7 @@ bool TIFFHandler::canRead(QIODevice *device)
     for (int i = 0; i < HeadersTblSize; i++) {
         if (data.size() >= HeadersTbl[i].headersize &&
             ::memcmp(data.constData(), HeadersTbl[i].header, HeadersTbl[i].headersize) == 0) {
-            kDebug() << "Header detected";
+            kDebug() << "TIFF header detected" << i;
             return true;
         }
     }