Index: maven-distribution/src/bin/mvn.bat
===================================================================
--- maven-distribution/src/bin/mvn.bat	(revision 676029)
+++ maven-distribution/src/bin/mvn.bat	(working copy)
@@ -38,7 +38,7 @@
 @if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
 
 @REM set %HOME% to equivalent of $HOME
-if "%HOME%" == "" (set HOME=%HOMEDRIVE%%HOMEPATH%)
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
 
 @REM Execute a user defined script before this one
 if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
Index: maven-distribution/src/bin/mvnDebug.bat
===================================================================
--- maven-distribution/src/bin/mvnDebug.bat	(revision 676029)
+++ maven-distribution/src/bin/mvnDebug.bat	(working copy)
@@ -41,7 +41,7 @@
 @if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
 
 @REM set %HOME% to equivalent of $HOME
-if "%HOME%" == "" (set HOME=%HOMEDRIVE%%HOMEPATH%)
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
 
 @REM Execute a user defined script before this one
 if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"