diff --git a/autobuild.xml b/autobuild.xml
index 85182dfd0f..714cc5f7db 100755
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -1430,9 +1430,9 @@
             <key>archive</key>
             <map>
               <key>hash</key>
-              <string>ae5e86bbe3376d107960e1364cada76a</string>
+              <string>1310525b07b37fb6c869ba1af24425ce</string>
               <key>url</key>
-              <string>file:///opt/firestorm/kdu-7.4.0-linux-20140605.tar.bz2</string>
+              <string>file:///opt/firestorm/kdu-7.5.0-linux-20141007.tar.bz2</string>
             </map>
             <key>name</key>
             <string>linux</string>
diff --git a/indra/llkdu/llimagej2ckdu.h b/indra/llkdu/llimagej2ckdu.h
index fb1f6535ba..5dce783945 100755
--- a/indra/llkdu/llimagej2ckdu.h
+++ b/indra/llkdu/llimagej2ckdu.h
@@ -39,6 +39,12 @@
 #include "kdu_compressed.h"
 #include "kdu_sample_processing.h"
 
+// <FS:ND> KDU >= 7.5.0 uses namespaces for nicer encapsulation. To avoid cluttering this all over LLs source we're going with this.
+#if KDU_MAJOR_VERSION >= 7 && KDU_MINOR_VERSION >= 5
+ using namespace kdu_core;
+#endif
+// </FS:ND>
+
 class LLKDUDecodeState;
 class LLKDUMemSource;
 
diff --git a/indra/llkdu/llkdumem.h b/indra/llkdu/llkdumem.h
index 00d2c12cb4..6977013643 100755
--- a/indra/llkdu/llkdumem.h
+++ b/indra/llkdu/llkdumem.h
@@ -48,6 +48,13 @@
 #include "image_local.h"
 #include "stdtypes.h"
 
+// <FS:ND> KDU >= 7.5.0 uses namespaces for nicer encapsulation. To avoid cluttering this all over LLs source we're going with this.
+#if KDU_MAJOR_VERSION >= 7 && KDU_MINOR_VERSION >= 5
+ using namespace kdu_core;
+ using namespace kd_supp_image_local;
+#endif
+// </FS:ND>
+
 // <FS:ND> Disable warning 4263/4264
 #ifdef LL_WINDOWS
 #pragma warning(pop)