diff --git a/beamercolorthemeut.sty b/beamercolorthemeut.sty
index f8abe33..4c47677 100644
--- a/beamercolorthemeut.sty
+++ b/beamercolorthemeut.sty
@@ -122,12 +122,12 @@
 \setbeamercolor{section name}{parent=titlelike}
 \setbeamercolor{section name separator}{fg=utgold}
 \setbeamercolor{section title}{parent=titlelike}
-\setbeamercolor{sectiongraphic}{fg=white, bg=utgray}
+\setbeamercolor{sectiongraphic}{parent=normal text}
 
 \setbeamercolor{subsection name}{parent=titlelike}
 \setbeamercolor{subsection name separator}{fg=utgold}
 \setbeamercolor{subsection title}{parent=titlelike}
-\setbeamercolor{subsectiongraphic}{fg=white, bg=utgray}
+\setbeamercolor{subsectiongraphic}{parent=normal text}
 
 % color of numbers in table of columns (sections get hyperref linkcolor):
 \setbeamercolor{section in toc}{use=normal text, fg=normal text.fg!60}
diff --git a/beamerthemelines.sty b/beamerthemelines.sty
index 15df99c..518c4b3 100644
--- a/beamerthemelines.sty
+++ b/beamerthemelines.sty
@@ -988,6 +988,7 @@
       \ifx\insertsectiongraphic\@empty\else%
         \vspace{1.5ex}
         \begin{beamercolorbox}[wd=\linewidth]{sectiongraphic}
+          \usebeamerfont{normal text}%
           \insertsectiongraphic%
         \end{beamercolorbox}%
       \fi
@@ -1051,6 +1052,7 @@
       \ifx\insertsectiongraphic\@empty\else%
         \vspace{1.5ex}
         \begin{beamercolorbox}[wd=\linewidth]{subsectiongraphic}
+          \usebeamerfont{normal text}%
           \insertsubsectiongraphic%
         \end{beamercolorbox}%
       \fi