diff --git a/test/test-execute/exec-systemcallerrornumber-name.service b/test/test-execute/exec-systemcallerrornumber-name.service
index 229b862794..e167d2716b 100644
--- a/test/test-execute/exec-systemcallerrornumber-name.service
+++ b/test/test-execute/exec-systemcallerrornumber-name.service
@@ -2,7 +2,7 @@
 Description=Test for SystemCallErrorNumber
 
 [Service]
-ExecStart=/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
+ExecStart=/usr/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
 Type=oneshot
 SystemCallFilter=~uname
 SystemCallErrorNumber=EACCES
diff --git a/test/test-execute/exec-systemcallerrornumber-number.service b/test/test-execute/exec-systemcallerrornumber-number.service
index 2e13f08bf5..203215682f 100644
--- a/test/test-execute/exec-systemcallerrornumber-number.service
+++ b/test/test-execute/exec-systemcallerrornumber-number.service
@@ -2,7 +2,7 @@
 Description=Test for SystemCallErrorNumber
 
 [Service]
-ExecStart=/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
+ExecStart=/usr/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
 Type=oneshot
 SystemCallFilter=~uname
 SystemCallErrorNumber=255
diff --git a/test/test-execute/exec-systemcallfilter-with-errno-name.service b/test/test-execute/exec-systemcallfilter-with-errno-name.service
index b9beb73b7e..8380d5a155 100644
--- a/test/test-execute/exec-systemcallfilter-with-errno-name.service
+++ b/test/test-execute/exec-systemcallfilter-with-errno-name.service
@@ -2,7 +2,7 @@
 Description=Test for SystemCallFilter with errno name
 
 [Service]
-ExecStart=/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
+ExecStart=/usr/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
 Type=oneshot
 SystemCallFilter=~uname:EILSEQ
 SystemCallErrorNumber=EACCES
diff --git a/test/test-execute/exec-systemcallfilter-with-errno-number.service b/test/test-execute/exec-systemcallfilter-with-errno-number.service
index 6e5019d593..dbb9540a1e 100644
--- a/test/test-execute/exec-systemcallfilter-with-errno-number.service
+++ b/test/test-execute/exec-systemcallfilter-with-errno-number.service
@@ -2,7 +2,7 @@
 Description=Test for SystemCallFilter with errno number
 
 [Service]
-ExecStart=/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
+ExecStart=/usr/bin/python3 -c 'import os\ntry: os.uname()\nexcept Exception as e: exit(e.errno)'
 Type=oneshot
 SystemCallFilter=~uname:255
 SystemCallErrorNumber=EACCES