diff --git a/software/kvm/instance-kvm.cfg.jinja2 b/software/kvm/instance-kvm.cfg.jinja2
index 9a7ebcc71b592692e962915671a4e06491fdffc4..441205a8fe83b669e42f3d4efa80a7a58859f9ed 100644
--- a/software/kvm/instance-kvm.cfg.jinja2
+++ b/software/kvm/instance-kvm.cfg.jinja2
@@ -259,7 +259,8 @@ mode = 700
 context =
   raw dash {{ dash_executable_location }}
   raw qemu_ready_path ${kvm-controller-parameter-dict:kvm-status-path}
-  raw qemu_service_log_file ${buildout:directory}/.${slap-connection:partition-id}_kvm.log
+  raw qemu_log_prefix ${buildout:directory}/.${slap-connection:partition-id}_
+  raw qemu_service_path ${kvm-instance:wrapper-path}
 
 [novnc-instance]
 recipe = slapos.cookbook:novnc
diff --git a/software/kvm/software.cfg b/software/kvm/software.cfg
index 152a5a6f850e6bb39a3df1e2215cca5c1aa0049a..c490dc99136395e195fba5ccc194139f84d249bc 100644
--- a/software/kvm/software.cfg
+++ b/software/kvm/software.cfg
@@ -99,7 +99,7 @@ recipe = hexagonit.recipe.download
 ignore-existing = true
 url = ${:_profile_base_location_}/instance-kvm.cfg.jinja2
 mode = 644
-md5sum = b4a95f8398dac8de58254899b4545439
+md5sum = 09f7ac097cc61bed7c07a5cbf23a0962
 download-only = true
 on-update = true
 
@@ -226,7 +226,7 @@ ignore-existing = true
 url = ${:_profile_base_location_}/template/qemu-is-ready.in
 mode = 644
 filename = qemu-is-ready.in
-md5sum = b304eec8e2cb71f10ea83cac22f6db12
+md5sum = e7d58bd2eb848e9e9540929be866bde0
 download-only = true
 on-update = true
 
diff --git a/software/kvm/template/qemu-is-ready.in b/software/kvm/template/qemu-is-ready.in
index 6c44f12f04a829af69a1fa35f5b1fcafa0800b23..bfec7710a6f72ea7f0e40873a01bff15a8725d9d 100644
--- a/software/kvm/template/qemu-is-ready.in
+++ b/software/kvm/template/qemu-is-ready.in
@@ -1,6 +1,8 @@
 #!{{ dash }}
 
 FILE="{{ qemu_ready_path }}"
+QEMU_SERVICE_PATH="{{ qemu_service_path }}"
+
 # don't start checks too fast
 sleep 2
 if [ -f "$FILE" ]; then
@@ -12,7 +14,7 @@ if [ -f "$FILE" ]; then
     exit 1
   fi
 else
-  log_file="{{ qemu_service_log_file }}"
+  log_file="{{ qemu_log_prefix }}$(basename ${QEMU_SERVICE_PATH}-*).log"
   >&2 echo "Qemu process is not correctly started."
   if [ -f "$log_file" ]; then
     >&2 echo "** Latest ouput logs **"
@@ -20,4 +22,4 @@ else
     >&2 echo "$(tail $log_file)"
     exit 1
   fi
-fi
\ No newline at end of file
+fi