diff --git a/cmake/FindGRASS.cmake b/cmake/FindGRASS.cmake
index 42cad3f0d95..6c1d38de6c6 100644
--- a/cmake/FindGRASS.cmake
+++ b/cmake/FindGRASS.cmake
@@ -44,7 +44,7 @@ ENDMACRO (CHECK_GRASS)
 # search for grass installations
 
 # list of paths which to search - user's choice as first
-SET (GRASS_PATHS ${GRASS_PREFIX} /usr/lib/grass /usr/lib64/grass64 c:/msys/local /opt/grass $ENV{GRASS_PREFIX})
+SET (GRASS_PATHS ${GRASS_PREFIX} /usr/lib/grass /usr/lib64/grass64 /usr/lib/grass64 c:/msys/local /opt/grass $ENV{GRASS_PREFIX})
 
 # mac-specific path
 IF (APPLE)