diff --git a/checkin_notes b/checkin_notes
index ef60e1f062..b7d88053ab 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -7526,3 +7526,10 @@ Charlie 10 Dec 2012
         gpu_opencl.cpp
     lib/
         coproc.cpp,.h
+
+Charlie 10 Dec 2012
+    - client: COPROC_NVIDIA, COPROC_ATI and COPROC_INTEL constructors 
+        must initialize the entire struct, not just the GPU type field.
+
+    lib/
+        coproc.h
diff --git a/lib/coproc.h b/lib/coproc.h
index 29fc2067d8..56bb77529b 100644
--- a/lib/coproc.h
+++ b/lib/coproc.h
@@ -321,7 +321,7 @@ struct COPROC_NVIDIA : public COPROC {
     void write_xml(MIOFILE&, bool scheduler_rpc);
 #endif
     COPROC_NVIDIA(): COPROC() {
-        strcpy(type, proc_type_name_xml(PROC_TYPE_NVIDIA_GPU));
+        clear();
     }
     void get(
         bool use_all,
@@ -360,7 +360,7 @@ struct COPROC_ATI : public COPROC {
     void write_xml(MIOFILE&, bool scheduler_rpc);
 #endif
     COPROC_ATI(): COPROC() {
-        strcpy(type, proc_type_name_xml(PROC_TYPE_AMD_GPU));
+        clear();
     }
     void get(
         bool use_all,
@@ -385,7 +385,7 @@ struct COPROC_INTEL : public COPROC {
     void write_xml(MIOFILE&, bool scheduler_rpc);
 #endif
     COPROC_INTEL(): COPROC() {
-        strcpy(type, proc_type_name_xml(PROC_TYPE_INTEL_GPU));
+        clear();
     }
     void get(
         bool use_all,