--- splix-2.0.0.orig/src/qpdl.cpp
+++ splix-2.0.0/src/qpdl.cpp
@@ -33,7 +33,7 @@
 {
     unsigned long version, subVersion, size, dataSize, checkSum;
     bool color, headerSent=false;
-    unsigned char header[0x20];
+    unsigned char header[0x20] __attribute__((aligned(4)));
     const BandPlane *plane;
 
     version = request.printer()->qpdlVersion();