diff --git a/core/cmake/templates/gitscript.cmake.in b/core/cmake/templates/gitscript.cmake.in
index 09e9e16841..f2e32fe691 100644
--- a/core/cmake/templates/gitscript.cmake.in
+++ b/core/cmake/templates/gitscript.cmake.in
@@ -1,33 +1,33 @@
 #
 # Copyright (c) 2010-2020 by Gilles Caulier, <caulier dot gilles at gmail dot com>
 #
 # Redistribution and use is allowed according to the terms of the BSD license.
 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.
 #
 
 set(CMAKE_BACKWARDS_COMPATIBILITY "2.4")
 
 # See if we have git installed
 find_program(GITEXEC git)
 
 # Read the version if installed, else set to "unknown"
 if(GITEXEC)
 
-    execute_process(COMMAND ${GITEXEC} --git-dir="@CMAKE_CURRENT_SOURCE_DIR@/../.git" rev-parse HEAD OUTPUT_VARIABLE MYVERSION)
+    execute_process(COMMAND ${GITEXEC} "--git-dir=@CMAKE_CURRENT_SOURCE_DIR@/../.git" rev-parse HEAD OUTPUT_VARIABLE MYVERSION)
 
     if(MYVERSION)
 
         # Remove the newline that git returns
         string(STRIP ${MYVERSION} MYVERSION)
 
     endif()
 
 else()
 
     set(MYVERSION unknown)
 
 endif()
 
 # Configure the revision header
 configure_file("@CMAKE_CURRENT_SOURCE_DIR@/cmake/templates/gitversion.h.cmake.in"
                "@CMAKE_CURRENT_BINARY_DIR@/app/utils/gitversion.h")