diff --git a/portable/GCC/ARM_CM0/portasm.c b/portable/GCC/ARM_CM0/portasm.c
index be1500ef0..179a71546 100644
--- a/portable/GCC/ARM_CM0/portasm.c
+++ b/portable/GCC/ARM_CM0/portasm.c
@@ -472,7 +472,8 @@ void vClearInterruptMask( __attribute__( ( unused ) ) uint32_t ulMask ) /* __att
             "     ldr r3, =%1                \n"
             "     cmp r2, r3                 \n"
             "     beq system_call_exit       \n"
-            "     b vPortSVCHandler_C        \n"
+            "     ldr r3, =vPortSVCHandler_C \n"
+            "     bx r3                      \n"
             "                                \n"
             " system_call_enter:             \n"
             "    push {lr}                   \n"
@@ -508,11 +509,13 @@ void vClearInterruptMask( __attribute__( ( unused ) ) uint32_t ulMask ) /* __att
             "                                \n"
             " stacking_used_psp:             \n"
             "    mrs r0, psp                 \n"
-            "    b vPortSVCHandler_C         \n"
+            "    ldr r3, =vPortSVCHandler_C  \n"
+            "    bx r3                       \n"
             "                                \n"
             " stacking_used_msp:             \n"
             "    mrs r0, msp                 \n"
-            "    b vPortSVCHandler_C         \n"
+            "    ldr r3, =vPortSVCHandler_C  \n"
+            "    bx r3                       \n"
             "                                \n"
             " .align 4                       \n"
         );