diff --git a/gdcm.spec b/gdcm.spec
index f31c8bd..d9a69fe 100644
--- a/gdcm.spec
+++ b/gdcm.spec
@@ -29,7 +29,6 @@ BuildRequires:	expat-devel
 BuildRequires:	fontconfig-devel
 BuildRequires:	graphviz
 BuildRequires:	gl2ps-devel
-BuildRequires: ghostscript
 BuildRequires:	libogg-devel
 BuildRequires:	libtheora-devel
 BuildRequires:	libuuid-devel
@@ -39,6 +38,7 @@ BuildRequires:	mysql-devel
 BuildRequires:	openssl-devel
 BuildRequires:	openjpeg-devel
 BuildRequires:	/usr/bin/pdflatex
+BuildRequires:	/usr/bin/pdfopt
 BuildRequires:	poppler-devel
 BuildRequires:	python2-devel
 BuildRequires:	postgresql-devel
@@ -133,7 +133,8 @@ rm -rf Utilities/wxWidgets
 	-DGDCM_USE_SYSTEM_OPENSSL=ON \
 	-DGDCM_USE_JPEGLS=ON \
 	-DGDCM_USE_SYSTEM_JPEGLS=ON \
-	-DGDCM_USE_SYSTEM_POPPLER=ON .
+	-DGDCM_USE_SYSTEM_POPPLER=ON \
+	-DGDCM_PDFOPT_EXECUTABLE=/usr/bin/pdfopt .
 
 #Cannot build wrap_java:	
 #	-DGDCM_VTK_JAVA_JAR:PATH=/usr/share/java/vtk.jar no found!