diff --git a/src/add-ons/screen_savers/gravity/Jamfile b/src/add-ons/screen_savers/gravity/Jamfile
index 091425e0d80..e3cdda36d2b 100644
--- a/src/add-ons/screen_savers/gravity/Jamfile
+++ b/src/add-ons/screen_savers/gravity/Jamfile
@@ -4,7 +4,7 @@ UseBuildFeatureHeaders mesa ;
 
 # For GCC2
 if $(TARGET_GCC_VERSION_$(TARGET_PACKAGING_ARCH)[1]) < 3 {
-    SubDirC++Flags --no-warnings ;
+	SubDirC++Flags --no-warnings ;
 }
 
 AddResources Gravity : Gravity.rdef ;
@@ -22,8 +22,8 @@ Includes [ FGristFiles $(sources) ] :
 	[ BuildFeatureAttribute glu : headers ]
 	[ BuildFeatureAttribute mesa : headers ]
 	;
-    # Dependency needed to trigger downloading/unzipping the package before
-    # compiling the files.
+	# Dependency needed to trigger downloading/unzipping the package before
+	# compiling the files.
 
 ScreenSaver Gravity :
 	$(sources)