diff --git a/src/adjoint/Make/options_Compressible b/src/adjoint/Make/options_Compressible
index b2b8e829..1ffc19a9 100755
--- a/src/adjoint/Make/options_Compressible
+++ b/src/adjoint/Make/options_Compressible
@@ -34,4 +34,5 @@ LIB_LIBS = \
     -L$(PETSC_LIB) -lpetsc \
     -L$(MPI_ARCH_PATH)/lib \
     -L$(MPI_ARCH_PATH)/lib64 \
-    $(shell python3-config --ldflags) 
+    $(shell python3-config --ldflags) \
+    -fno-lto
diff --git a/src/adjoint/Make/options_Incompressible b/src/adjoint/Make/options_Incompressible
index 2098b5c8..67db9b00 100755
--- a/src/adjoint/Make/options_Incompressible
+++ b/src/adjoint/Make/options_Incompressible
@@ -35,4 +35,5 @@ LIB_LIBS = \
     -L$(PETSC_LIB) -lpetsc \
     -L$(MPI_ARCH_PATH)/lib \
     -L$(MPI_ARCH_PATH)/lib64 \
-    $(shell python3-config --ldflags) 
+    $(shell python3-config --ldflags) \
+    -fno-lto