diff --git a/code/CMakeModules/GetRevision.cmake b/code/CMakeModules/GetRevision.cmake
index bc48235af..d38215aba 100644
--- a/code/CMakeModules/GetRevision.cmake
+++ b/code/CMakeModules/GetRevision.cmake
@@ -20,13 +20,13 @@ ENDIF(NOT SOURCE_DIR AND ROOT_DIR)
 
 MACRO(NOW RESULT)
   IF (WIN32)
-    EXECUTE_PROCESS(COMMAND "wmic os get localdatetime" OUTPUT_VARIABLE DATETIME)
+    EXECUTE_PROCESS(COMMAND "wmic" "os" "get" "localdatetime" OUTPUT_VARIABLE DATETIME)
     IF(NOT DATETIME MATCHES "ERROR")
       STRING(REGEX REPLACE ".*\n([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9]).*" "\\1-\\2-\\3 \\4:\\5:\\6" ${RESULT} "${DATETIME}")
     ENDIF(NOT DATETIME MATCHES "ERROR")
   ELSEIF(UNIX)
-    EXECUTE_PROCESS(COMMAND "date +'%Y-%m-%d %H:%M:%S'" OUTPUT_VARIABLE DATETIME)
-    STRING(REGEX REPLACE "([0-9]+)-([0-9]+)-([0-9]+) ([0-9]+):([0-9]+):([0-9]+).*" "\\1-\\2-\\3 \\4:\\5:\\6" ${RESULT} "${DATETIME}")
+    EXECUTE_PROCESS(COMMAND "date" "+%Y-%m-%d %H:%M:%S" OUTPUT_VARIABLE DATETIME)
+    STRING(REGEX REPLACE "([0-9: -]+).*" "\\1" ${RESULT} "${DATETIME}")
   ELSE (WIN32)
     MESSAGE(SEND_ERROR "date not implemented")
     SET(${RESULT} "0000-00-00 00:00:00")