diff --git a/Tools/check_cmake.sh b/Tools/check_cmake.sh
index 423b790dbd..6c9ba61a9d 100755
--- a/Tools/check_cmake.sh
+++ b/Tools/check_cmake.sh
@@ -6,7 +6,7 @@ then
   exit 1;
 fi
 
-if [[ $cmake_ver == *"2.8"* ]] || [[ $cmake_ver == *"2.9"* ]] || [[ $cmake_ver == *"3.0"* ]] || [[ $cmake_ver == *"3.1"* ]]
+if [[ $cmake_ver == *" 2.8"* ]] || [[ $cmake_ver == *" 2.9"* ]] || [[ $cmake_ver == *" 3.0"* ]] || [[ $cmake_ver == *" 3.1"* ]]
 then
   exit 1;
 fi