diff --git a/Makefile b/Makefile
index 3eaebb7e..45dc3bc3 100755
--- a/Makefile
+++ b/Makefile
@@ -72,6 +72,8 @@ else
    endif
 endif
 
+GIT_HASH = $(shell git rev-parse --short HEAD)
+$(info GIT_HASH: $(GIT_HASH) )
 
 # Main source files
 SRCS = aqualinkd.c utils.c config.c aq_serial.c aq_panel.c aq_programmer.c \
@@ -125,9 +127,9 @@ endif
 
 
 # Put all flags together.
-CFLAGS = $(GCCFLAGS) $(AQ_FLAGS) $(MGFLAGS)
-DFLAGS = $(DGCCFLAGS) $(AQ_FLAGS) $(MGFLAGS)
-DBG_CFLAGS = $(DBGFLAGS) $(AQ_FLAGS) $(MGFLAGS)
+CFLAGS = $(GCCFLAGS) $(AQ_FLAGS) $(MGFLAGS) -DGIT_HASH="\"$(GIT_HASH)\""
+DFLAGS = $(DGCCFLAGS) $(AQ_FLAGS) $(MGFLAGS) -DGIT_HASH="\"$(GIT_HASH)\""
+DBG_CFLAGS = $(DBGFLAGS) $(AQ_FLAGS) $(MGFLAGS) -DGIT_HASH="\"$(GIT_HASH)\""
 
 # Other sources.
 DBG_SRC = $(SRCS) debug_timer.c
diff --git a/aqualinkd.c b/aqualinkd.c
index dd311728..11889cbb 100644
--- a/aqualinkd.c
+++ b/aqualinkd.c
@@ -1046,7 +1046,7 @@ void action_delayed_request()
 
 void printHelp()
 {
-  printf("%s %s\n",AQUALINKD_NAME,AQUALINKD_VERSION);
+  printf("%s %s (rev %s)\n", AQUALINKD_NAME, AQUALINKD_VERSION, GIT_HASH);
   printf("\t-h         (this message)\n");
   printf("\t-d         (do not deamonize)\n");
   printf("\t-c <file>  (Configuration file)\n");
@@ -1231,7 +1231,7 @@ int startup(char *self, char *cfgFile)
     setLoggingPrms(_aqconfig_.log_level, _aqconfig_.deamonize, _aqconfig_.log_file, NULL);
 #endif
 
-  LOG(AQUA_LOG,LOG_NOTICE, "%s v%s\n", AQUALINKD_NAME, AQUALINKD_VERSION);
+   LOG(AQUA_LOG,LOG_NOTICE, "%s v%s (rev %s)\n", AQUALINKD_NAME, AQUALINKD_VERSION, GIT_HASH);
 /*
   LOG(AQUA_LOG,LOG_NOTICE, "Panel set to %s%s-%d %s%s %s\n",
       isRS_PANEL?"RS":"",
diff --git a/json_messages.c b/json_messages.c
index 5d0940a9..3c80f057 100644
--- a/json_messages.c
+++ b/json_messages.c
@@ -555,7 +555,7 @@ int build_aqualink_status_JSON(struct aqualinkdata *aqdata, char* buffer, int si
   length += sprintf(buffer+length, ",\"panel_type\":\"%s\"",getPanelString());
   //length += sprintf(buffer+length, ",\"message\":\"%s\"",aqdata->message );
   length += sprintf(buffer+length, ",\"version\":\"%s\"",aqdata->version );//8157 REV MMM",
-  length += sprintf(buffer+length, ",\"aqualinkd_version\":\"%s\"", AQUALINKD_VERSION ); //1.0b,
+  length += sprintf(buffer+length, ",\"aqualinkd_version\":\"%s (rev %s)\"", AQUALINKD_VERSION, GIT_HASH); //1.0b,
   length += sprintf(buffer+length, ",\"date\":\"%s\"",aqdata->date );//"09/01/16 THU",
   length += sprintf(buffer+length, ",\"time\":\"%s\"",aqdata->time );//"1:16 PM",
   //length += sprintf(buffer+length, ",\"air_temp\":\"%d\"",aqdata->air_temp );//"96",