diff --git a/.github/workflows/icbundle.yml b/.github/workflows/icbundle.yml
index 8442178a..54f26ba4 100644
--- a/.github/workflows/icbundle.yml
+++ b/.github/workflows/icbundle.yml
@@ -59,13 +59,13 @@ jobs:
           sed -ir "s|# Changelog|$changelog_entry|" CHANGELOG.md
           
           buildnumber_entry=$'#define CFE_PSP_IMPL_BUILD_NUMBER   '${rev_num}
-          sed -ir "s|define CFE_PSP_IMPL_BUILD_NUMBER.*|$buildnumber_entry|" fsw/mcp750-vxworks/inc/psp_version.h
+          sed -ir "s|#define CFE_PSP_IMPL_BUILD_NUMBER.*|$buildnumber_entry|" fsw/mcp750-vxworks/inc/psp_version.h
           
           buildnumber_entry=$'#define CFE_PSP_IMPL_BUILD_NUMBER   '${rev_num}
-          sed -ir "s|define CFE_PSP_IMPL_BUILD_NUMBER.*|$buildnumber_entry|" fsw/pc-linux/inc/psp_version.h
+          sed -ir "s|#define CFE_PSP_IMPL_BUILD_NUMBER.*|$buildnumber_entry|" fsw/pc-linux/inc/psp_version.h
           
           buildnumber_entry=$'#define CFE_PSP_IMPL_BUILD_NUMBER   '${rev_num}
-          sed -ir "s|define CFE_PSP_IMPL_BUILD_NUMBER.*|$buildnumber_entry|" fsw/pc-rtems/inc/psp_version.h
+          sed -ir "s|#define CFE_PSP_IMPL_BUILD_NUMBER.*|$buildnumber_entry|" fsw/pc-rtems/inc/psp_version.h
       - name: Commit and Push Updates to IC Branch
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}