Index: os-prober/os-probes/mounted/x86/83haiku

===================================================================

--- os-prober.orig/os-probes/mounted/x86/83haiku

+++ os-prober/os-probes/mounted/x86/83haiku

@@ -13,7 +13,7 @@ case "$type" in

 	*) debug "$partition is not a BeFS partition: exiting"; exit 1 ;;

 esac

-if head -c 512 "$partition" | grep -qs "system.haiku_loader"; then

+if head -c 512 "$partition" | grep -aqs "system.haiku_loader"; then

 	debug "Stage 1 bootloader found"

 else

 	debug "Stage 1 bootloader not found: exiting"