diff --git a/.jenkins_builds b/.jenkins_builds
index 98521a0..0a6b5e6 100644
--- a/.jenkins_builds
+++ b/.jenkins_builds
@@ -38,10 +38,10 @@ pipeline {
         }
 
         stage('clean_packages') {
-          steps { script { retryWithBackoff(2, 5) { sh 'clean_packages.sh' } } }
+          steps { script { retryWithBackoff(2, 5) { sh './clean_packages.sh' } } }
         }
         stage('grab_packages') {
-          steps { script { retryWithBackoff(2, 5) { sh 'grab_packages.sh' } } }
+          steps { script { retryWithBackoff(2, 5) { sh './grab_packages.sh' } } }
         }
         stage('win32_shared') {
           steps { script { retryWithBackoff(2, 5) { sh 'scripts/test_win32.sh shared' } } }
diff --git a/.jenkins_macos b/.jenkins_macos
index 59adfe2..ca40e29 100644
--- a/.jenkins_macos
+++ b/.jenkins_macos
@@ -37,10 +37,10 @@ pipeline {
         }
 
         stage('clean_packages') {
-          steps { script { retryWithBackoff(2, 5) { sh 'clean_packages.sh' } } }
+          steps { script { retryWithBackoff(2, 5) { sh './clean_packages.sh' } } }
         }
         stage('grab_packages') {
-          steps { script { retryWithBackoff(2, 5) { sh 'grab_packages.sh' } } }
+          steps { script { retryWithBackoff(2, 5) { sh './grab_packages.sh' } } }
         }
         stage('macos_aarch64_shared') {
           steps {
diff --git a/.jenkins_msys2 b/.jenkins_msys2
index 1979965..08acbf4 100644
--- a/.jenkins_msys2
+++ b/.jenkins_msys2
@@ -37,10 +37,10 @@ pipeline {
         }
 
         stage('clean_packages') {
-          steps { script { retryWithBackoff(2, 5) { sh 'clean_packages.cmd' } } }
+          steps { script { retryWithBackoff(2, 5) { bat 'clean_packages.cmd' } } }
         }
         stage('grab_packages') {
-          steps { script { retryWithBackoff(2, 5) { sh 'grab_packages.cmd' } } }
+          steps { script { retryWithBackoff(2, 5) { bat 'grab_packages.cmd' } } }
         }
         stage('msys2_x86_64_shared') {
           steps {