diff --git a/lib/coproc.cpp b/lib/coproc.cpp
index 38a4b8cb38..b0d8f1e101 100644
--- a/lib/coproc.cpp
+++ b/lib/coproc.cpp
@@ -169,21 +169,21 @@ int COPROC::parse_opencl(XML_PARSER& xp) {
             opencl_prop.available = n;
             continue;
         }
-        if (parse_ulonglong(buf, "<hp_fp_config>", opencl_prop.hp_fp_config)) continue; 
-        if (parse_ulonglong(buf, "<sp_fp_config>", opencl_prop.sp_fp_config)) continue; 
-        if (parse_ulonglong(buf, "<dp_fp_config>", opencl_prop.dp_fp_config)) continue; 
+        if (parse_cl_ulong(buf, "<hp_fp_config>", opencl_prop.hp_fp_config)) continue; 
+        if (parse_cl_ulong(buf, "<sp_fp_config>", opencl_prop.sp_fp_config)) continue; 
+        if (parse_cl_ulong(buf, "<dp_fp_config>", opencl_prop.dp_fp_config)) continue; 
         if (parse_int(buf, "<little_endian>", n)) {
             opencl_prop.little_endian = n;
             continue;
         }
-        if (parse_ulonglong(buf, "<exec_capabilities>", opencl_prop.exec_capab)) continue;
+        if (parse_cl_ulong(buf, "<exec_capabilities>", opencl_prop.exec_capab)) continue;
         if (parse_str(buf, "<extensions>", 
                     opencl_prop.extensions, 
                     sizeof(opencl_prop.extensions))) {
             continue;
         }
-        if (parse_ulonglong(buf, "<global_RAM>", opencl_prop.global_RAM)) continue;
-        if (parse_ulonglong(buf, "<local_RAM>", opencl_prop.local_RAM)) continue;
+        if (parse_cl_ulong(buf, "<global_RAM>", opencl_prop.global_RAM)) continue;
+        if (parse_cl_ulong(buf, "<local_RAM>", opencl_prop.local_RAM)) continue;
         if (parse_int(buf, "<max_clock_freq>", n)) {
             opencl_prop.max_clock_freq = n;
             continue;
diff --git a/lib/parse.h b/lib/parse.h
index 178a062c95..49c86fb1d1 100644
--- a/lib/parse.h
+++ b/lib/parse.h
@@ -136,7 +136,7 @@ inline bool parse_ulong(const char* buf, const char* tag, unsigned long& x) {
 
 // Same, for unsigned long long 
 // 
-inline bool parse_ulonglong(const char* buf, const char* tag, cl_ulong& x) { 
+inline bool parse_cl_ulong(const char* buf, const char* tag, cl_ulong& x) { 
     const char* p = strstr(buf, tag); 
     if (!p) return false; 
     unsigned long long y = strtoull(p+strlen(tag), NULL, 0);    // this parses 0xabcd correctly