diff --git a/adobe-source-libraries.spec b/adobe-source-libraries.spec
index 571a242..b0cdddd 100644
--- a/adobe-source-libraries.spec
+++ b/adobe-source-libraries.spec
@@ -74,7 +74,7 @@ iconv -f iso8859-1 -t utf-8 release_notes.txt > release_notes.txt.conv && \
     mv -f release_notes.txt.conv release_notes.txt
 chmod 644 LICENSE_1_0_0.txt
 
-sed -i 's/@optflags@/%{optflags}/g'  jamroot.jam
+sed -i 's!@optflags@!%{optflags}!g'  jamroot.jam
 sed -i 's/@version@/%{version}/g'    %{SOURCE1}
 mv boost-build.jam boost-build.nojam