diff --git a/Makefile b/Makefile
index 612fce1c3d..9abc51fffb 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@ VER = sed s/@VERSION/${JQ_VER}/
 RHINO = java -jar ${BUILD_DIR}/js.jar
 MINJAR = java -jar ${BUILD_DIR}/google-compiler-20091218.jar
 
-DATE=`git log -1 | grep Date: | sed 's/[^:]*: *//'`
+DATE=`git log --pretty=format:'%ad' -1`
 
 all: jquery lint min
 	@@echo "jQuery build complete."