diff --git a/ext/lapack/Makefile.in b/ext/lapack/Makefile.in
index 3687e5523..3a74cfaaf 100755
--- a/ext/lapack/Makefile.in
+++ b/ext/lapack/Makefile.in
@@ -10,7 +10,7 @@ LAPACKLIB = @buildlib@/libctlapack.a
 
 do_ranlib = @DO_RANLIB@
 
-F_FLAGS = @FFLAGS@ @F77FLAGS@
+F_FLAGS = @FFLAGS@ 
 
 OBJS = \
 dbdsqr.o \
diff --git a/ext/recipes/Makefile.in b/ext/recipes/Makefile.in
index 90a3b3e51..9d6f76126 100755
--- a/ext/recipes/Makefile.in
+++ b/ext/recipes/Makefile.in
@@ -10,7 +10,7 @@ LIB = @buildlib@/librecipes.a
 
 do_ranlib = @DO_RANLIB@
 
-F_FLAGS = @FFLAGS@ @F77FLAGS@
+F_FLAGS = @FFLAGS@ 
 
 OBJS = simp1.o simp2.o simp3.o simplx.o 
 SRCS = $(OBJS:.o=.cpp)