diff --git a/.Rbuildignore b/.Rbuildignore
index 742cf82ae..a0d2b8fc5 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -33,4 +33,6 @@ inst/extdata/Advanced_rtables_part1.pdf
 inst/extdata/Advances_rtables_part2.pdf
 inst/extdata/Clinical_Trial_Reporting_Tables_in_R.pdf
 inst/extdata/r_adoption_slides.pdf
+inst/cheatsheet/Cheatsheet_v1-rtables.pdf
+inst/cheatsheet/Cheatsheet_v1-rtables.pptx
 ^pkgdown$
diff --git a/inst/cheatsheet/Cheatsheet v1 - rtables.pdf b/inst/cheatsheet/Cheatsheet_v1-rtables.pdf
similarity index 100%
rename from inst/cheatsheet/Cheatsheet v1 - rtables.pdf
rename to inst/cheatsheet/Cheatsheet_v1-rtables.pdf
diff --git a/inst/cheatsheet/Cheatsheet v1 - rtables.pptx b/inst/cheatsheet/Cheatsheet_v1-rtables.pptx
similarity index 100%
rename from inst/cheatsheet/Cheatsheet v1 - rtables.pptx
rename to inst/cheatsheet/Cheatsheet_v1-rtables.pptx