diff --git a/docs/change-log.md b/docs/change-log.md
index 841def9..3ae5fab 100644
--- a/docs/change-log.md
+++ b/docs/change-log.md
@@ -45,6 +45,9 @@
     instructions for how to contribute and update copyright text in all files to
     acknowledge contributors.
 
+*   The wake up enable bit in the FVP power controller is cleared when a cpu is
+    physically powered up to prevent a spurious wake up from a subsequent cpu
+    off state.
 
 ARM Trusted Firmware - version 0.2
 ==================================
diff --git a/drivers/power/fvp_pwrc.c b/drivers/power/fvp_pwrc.c
index 2b98b05..cbaaa3d 100644
--- a/drivers/power/fvp_pwrc.c
+++ b/drivers/power/fvp_pwrc.c
@@ -77,7 +77,7 @@
 	bakery_lock_release(mpidr, &pwrc_lock);
 }
 
-void fvp_pwrc_write_pwkupr(unsigned long mpidr)
+void fvp_pwrc_set_wen(unsigned long mpidr)
 {
 	bakery_lock_get(mpidr, &pwrc_lock);
 	mmio_write_32(PWRC_BASE + PWKUPR_OFF,
@@ -85,6 +85,14 @@
 	bakery_lock_release(mpidr, &pwrc_lock);
 }
 
+void fvp_pwrc_clr_wen(unsigned long mpidr)
+{
+	bakery_lock_get(mpidr, &pwrc_lock);
+	mmio_write_32(PWRC_BASE + PWKUPR_OFF,
+		      (unsigned int) mpidr);
+	bakery_lock_release(mpidr, &pwrc_lock);
+}
+
 void fvp_pwrc_write_pcoffr(unsigned long mpidr)
 {
 	bakery_lock_get(mpidr, &pwrc_lock);
diff --git a/drivers/power/fvp_pwrc.h b/drivers/power/fvp_pwrc.h
index 050c33b..73d36df 100644
--- a/drivers/power/fvp_pwrc.h
+++ b/drivers/power/fvp_pwrc.h
@@ -67,7 +67,8 @@
 extern void fvp_pwrc_write_pcoffr(unsigned long);
 extern void fvp_pwrc_write_ppoffr(unsigned long);
 extern void fvp_pwrc_write_pponr(unsigned long);
-extern void fvp_pwrc_write_pwkupr(unsigned long);
+extern void fvp_pwrc_set_wen(unsigned long);
+extern void fvp_pwrc_clr_wen(unsigned long);
 extern unsigned int fvp_pwrc_read_psysr(unsigned long);
 extern unsigned int fvp_pwrc_get_cpu_wkr(unsigned long);
 
diff --git a/plat/fvp/fvp_pm.c b/plat/fvp/fvp_pm.c
index fd92526..658a285 100644
--- a/plat/fvp/fvp_pm.c
+++ b/plat/fvp/fvp_pm.c
@@ -251,7 +251,7 @@
 			 * Program the power controller to power this
 			 * cpu off and enable wakeup interrupts.
 			 */
-			fvp_pwrc_write_pwkupr(mpidr);
+			fvp_pwrc_set_wen(mpidr);
 			fvp_pwrc_write_ppoffr(mpidr);
 		}
 		break;
@@ -309,6 +309,12 @@
 			write_cpuectlr(ectlr);
 		}
 
+		/*
+		 * Clear PWKUPR.WEN bit to ensure interrupts do not interfere
+		 * with a cpu power down unless the bit is set again
+		 */
+		fvp_pwrc_clr_wen(mpidr);
+
 		/* Zero the jump address in the mailbox for this cpu */
 		fvp_mboxes = (mailbox *) (TZDRAM_BASE + MBOX_OFF);
 		linear_id = platform_get_core_pos(mpidr);