Index: src/tools/rcc/rcc.cpp
===================================================================
RCS file: d:\CVS\Qt4/qt-4.0.1/src/tools/rcc/rcc.cpp,v
retrieving revision 1.1
diff -u -r1.1 rcc.cpp
--- src/tools/rcc/rcc.cpp	20 Aug 2005 00:09:57 -0000	1.1
+++ src/tools/rcc/rcc.cpp	21 Aug 2005 17:49:39 -0000
@@ -140,7 +140,7 @@
 
 #ifndef QT_NO_COMPRESS
     // Check if compression is useful for this file
-    if (mCompressLevel != 0) {
+    if (mCompressLevel != 0 && data.size() > 0) {
         QByteArray compressed = qCompress(reinterpret_cast<uchar *>(data.data()), data.size(), mCompressLevel);
 
         int compressRatio = int(100.0f * (float(data.size() - compressed.size()) / float(data.size())));