diff --git a/src/runtime/c/Makefile.am b/src/runtime/c/Makefile.am
index fc903d91b..be022e7b9 100644
--- a/src/runtime/c/Makefile.am
+++ b/src/runtime/c/Makefile.am
@@ -23,6 +23,7 @@ libpgf_la_SOURCES = \
 	pgf/namespace.h
 
 libpgf_la_LDFLAGS = "-no-undefined"
+libpgf_la_CXXFLAGS = -fno-rtti
 
 bin_PROGRAMS =