diff --git a/make/doxygen/Doxyfile.ground b/make/doxygen/Doxyfile.ground
index 8009ac9c0..d2188073e 100644
--- a/make/doxygen/Doxyfile.ground
+++ b/make/doxygen/Doxyfile.ground
@@ -1330,7 +1330,7 @@ PAPER_TYPE             = a4
 # The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX
 # packages that should be included in the LaTeX output.
 
-EXTRA_PACKAGES         =
+EXTRA_PACKAGES         = amsmath, amssymb
 
 # The LATEX_HEADER tag can be used to specify a personal LaTeX header for
 # the generated latex document. The header should contain everything until