diff --git a/regen-makefile.sh b/regen-makefile.sh
index 5a4dd4c..77fcb6c 100755
--- a/regen-makefile.sh
+++ b/regen-makefile.sh
@@ -25,13 +25,20 @@
 fi
 
 ttcn3_makefilegen -p -l -f $*
+
+TITAN_VERSION=$(ttcn3_makefilegen -v 2>&1 |grep "Product number" |cut --delimiter="/" -f 2-| sed -e "s/[A-Z ]//g")
+
 sed -i -e 's/# TTCN3_DIR = /TTCN3_DIR = \/usr/' Makefile
 sed -i -e 's/LDFLAGS = /LDFLAGS = -L \/usr\/lib\/titan /' Makefile
 #sed -i -e 's/TTCN3_LIB = ttcn3-parallel/TTCN3_LIB = ttcn3/' Makefile
 
 # The -DMAKEDEPEND_RUN is a workaround for Debian packaging issue,
 # see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=879816 for details
-sed -i -e 's/CPPFLAGS = -D$(PLATFORM) -I$(TTCN3_DIR)\/include/CPPFLAGS = -D$(PLATFORM) -DMAKEDEPEND_RUN -DUSE_SCTP -I$(TTCN3_DIR)\/include -I\/usr\/include\/titan/' Makefile
+if [ $(($TITAN_VERSION >= 65)) = 1 ]; then
+	sed -i -e 's/CPPFLAGS = -D$(PLATFORM)/CPPFLAGS = -D$(PLATFORM) -DMAKEDEPEND_RUN -DUSE_SCTP/' Makefile
+else
+	sed -i -e 's/CPPFLAGS = -D$(PLATFORM) -I$(TTCN3_DIR)\/include/CPPFLAGS = -D$(PLATFORM) -DMAKEDEPEND_RUN -DUSE_SCTP -I$(TTCN3_DIR)\/include -I\/usr\/include\/titan/' Makefile
+fi
 
 #remove -Wall from CXXFLAGS: we're not interested in generic warnings for autogenerated code cluttering the logs
 sed -i -e 's/-Wall//' Makefile