diff -Naur solvespace-2.x.orig/cmake/GetGitCommitHash.cmake solvespace-2.x/cmake/GetGitCommitHash.cmake
--- solvespace-2.x.orig/cmake/GetGitCommitHash.cmake    2016-07-12 22:51:03.176211103 +0200
+++ solvespace-2.x/cmake/GetGitCommitHash.cmake 2016-07-12 22:51:43.072113111 +0200
@@ -25,11 +25,11 @@
     endif()
     set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${GIT_DEPENDS})

-    string(STRIP ${HEAD_REF} HEAD_REF)
+    string(STRIP "${HEAD_REF}" HEAD_REF)
     if(HEAD_REF STREQUAL "")
         message(WARNING "Cannot determine git HEAD")
     else()
-        set(GIT_COMMIT_HASH ${HEAD_REF} PARENT_SCOPE)
+        set(GIT_COMMIT_HASH "${HEAD_REF}" PARENT_SCOPE)
     endif()
 endfunction()
 get_git_commit_hash()