diff --git a/mex/build/octave/mex.am b/mex/build/octave/mex.am
index 1d8e1088f..14924d268 100644
--- a/mex/build/octave/mex.am
+++ b/mex/build/octave/mex.am
@@ -7,6 +7,7 @@ DEFS += -DMEXEXT=\".mex\"
 
 AM_CFLAGS = $(shell $(MKOCTFILE) -p CPICFLAG)
 AM_FFLAGS = $(shell $(MKOCTFILE) -p FPICFLAG)
+AM_FCFLAGS = -fPIC
 AM_CXXFLAGS = $(shell $(MKOCTFILE) -p CXXPICFLAG)
 AM_LDFLAGS = $(shell $(MKOCTFILE) -p DL_LDFLAGS)