diff --git a/bin/idea.sh b/bin/idea.sh
index a184884b61a..d9a18956e3b 100644
--- a/bin/idea.sh
+++ b/bin/idea.sh
@@ -187,14 +187,18 @@ fi
 SOURCE_PREFIX="<sourceFolder url=\"file://"
 SOURCE_POSTFIX="\" isTestSource=\"false\" />"
 
+# SOURCES is a single string containing embeded newlines.
 for root in $MODULE_ROOTS; do
     if [ "x$CYGPATH" != "x" ]; then
       root=`$CYGPATH -am $root`
     elif [ "x$WSL_DISTRO_NAME" != "x" ]; then
       root=`wslpath -am $root`
     fi
-
-    SOURCES=$SOURCES" $SOURCE_PREFIX""$root""$SOURCE_POSTFIX"
+    # Add line termination/indentation for everything after the first entry.
+    if [ "x$SOURCES" != "x" ]; then
+      SOURCES="${SOURCES}\n      "
+    fi
+    SOURCES="${SOURCES}${SOURCE_PREFIX}${root}${SOURCE_POSTFIX}"
 done
 
 add_replacement "###SOURCE_ROOTS###" "$SOURCES"