diff --git a/libcpu/arm/cortex-a/gic.c b/libcpu/arm/cortex-a/gic.c
index 2a46142b54..2e94b88277 100644
--- a/libcpu/arm/cortex-a/gic.c
+++ b/libcpu/arm/cortex-a/gic.c
@@ -74,9 +74,8 @@ void arm_gic_ack(rt_uint32_t index, int irq)
     irq = irq - _gic_table[index].offset;
     RT_ASSERT(irq >= 0);
 
-    GIC_DIST_ENABLE_CLEAR(_gic_table[index].dist_hw_base, irq) = mask;
+    GIC_DIST_PENDING_CLEAR(_gic_table[index].dist_hw_base, irq) = mask;
     GIC_CPU_EOI(_gic_table[index].cpu_hw_base) = irq;
-    GIC_DIST_ENABLE_SET(_gic_table[index].dist_hw_base, irq) = mask;
 }
 
 void arm_gic_mask(rt_uint32_t index, int irq)
diff --git a/libcpu/arm/zynq7000/gic.c b/libcpu/arm/zynq7000/gic.c
index e23a359e6e..76404d4c46 100644
--- a/libcpu/arm/zynq7000/gic.c
+++ b/libcpu/arm/zynq7000/gic.c
@@ -37,7 +37,7 @@ static struct arm_gic _gic_table[ARM_GIC_MAX_NR];
 #define GIC_DIST_ENABLE_SET(hw_base, n)     __REG32((hw_base) + 0x100 + (n/32) * 4)
 #define GIC_DIST_ENABLE_CLEAR(hw_base, n)   __REG32((hw_base) + 0x180 + (n/32) * 4)
 #define GIC_DIST_PENDING_SET(hw_base, n)    __REG32((hw_base) + 0x200)
-#define GIC_DIST_PENDING_CLEAR(hw_base, n)  __REG32((hw_base) + 0x280)
+#define GIC_DIST_PENDING_CLEAR(hw_base, n)  __REG32((hw_base) + 0x280 + (n/32) * 4)
 #define GIC_DIST_ACTIVE_BIT(hw_base)        __REG32((hw_base) + 0x300)
 #define GIC_DIST_PRI(hw_base, n)            __REG32((hw_base) + 0x400 +  (n/4) * 4)
 #define GIC_DIST_TARGET(hw_base, n)         __REG32((hw_base) + 0x800 +  (n/4) * 4)
@@ -68,9 +68,8 @@ void arm_gic_ack(rt_uint32_t index, int irq)
     irq = irq - _gic_table[index].offset;
     RT_ASSERT(irq >= 0);
 
-    GIC_DIST_ENABLE_CLEAR(_gic_table[index].dist_hw_base, irq) = mask;
+    GIC_DIST_PENDING_CLEAR(_gic_table[index].dist_hw_base, irq) = mask;
     GIC_CPU_EOI(_gic_table[index].cpu_hw_base) = irq;
-    GIC_DIST_ENABLE_SET(_gic_table[index].dist_hw_base, irq) = mask;
 }
 
 void arm_gic_mask(rt_uint32_t index, int irq)