diff --git a/src/app/app.pro b/src/app/app.pro
index 98ad636e1..27e5d2313 100644
--- a/src/app/app.pro
+++ b/src/app/app.pro
@@ -131,8 +131,13 @@ CONFIG(debug, debug|release){
         QMAKE_LFLAGS_RELEASE =
     }
 
+    macx{
+        HG = /usr/local/bin/hg # Can't defeat PATH variable on Mac OS.
+    }else {
+        HG = hg # All other platforms all OK.
+    }
     #latest tag distance number for using in version
-    HG_DISTANCE=$$system(hg log -r. --template '{latesttagdistance}')
+    HG_DISTANCE=$$system($${HG} log -r. --template '{latesttagdistance}')
     isEmpty(HG_DISTANCE){
         HG_DISTANCE = 0 # if we can't find local revision left 0.
     }
@@ -141,10 +146,10 @@ CONFIG(debug, debug|release){
 
     #build revision number for using in version
     unix {
-        HG_HESH=$$system("hg log -r. --template '{node|short}'")
+        HG_HESH=$$system("$${HG} log -r. --template '{node|short}'")
     } else {
         # Use escape character before "|" on Windows
-        HG_HESH=$$system(hg log -r. --template "{node^|short}")
+        HG_HESH=$$system($${HG} log -r. --template "{node^|short}")
     }
     isEmpty(HG_HESH){
         HG_HESH = "unknown" # if we can't find build revision left unknown.