diff --git a/sys/powerpc/powerpc/trap.c b/sys/powerpc/powerpc/trap.c
index 143811eedf97..cd589f31be80 100644
--- a/sys/powerpc/powerpc/trap.c
+++ b/sys/powerpc/powerpc/trap.c
@@ -295,7 +295,7 @@ trap(struct trapframe *frame)
 			    ("VSX already enabled for thread"));
 			if (!(td->td_pcb->pcb_flags & PCB_VEC))
 				enable_vec(td);
-			if (!(td->td_pcb->pcb_flags & PCB_FPU))
+			if (td->td_pcb->pcb_flags & PCB_FPU)
 				save_fpu(td);
 			td->td_pcb->pcb_flags |= PCB_VSX;
 			enable_fpu(td);