diff --git a/src/arm.S b/src/arm.S
index 01d0839079..9958fc6610 100644
--- a/src/arm.S
+++ b/src/arm.S
@@ -62,7 +62,12 @@ LOCAL(loop):
   vldmia  r7, {d0-d7}
 #endif
 
+#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
+  mov   lr, pc
+  bx    r4
+#else
   blx   r4         // call function
+#endif
   add   sp, sp, r5 // deallocate stack
 
 #if defined(__VFP_FP__) && (! defined(__SOFTFP__)) && (! defined(__QNX__))
@@ -108,7 +113,12 @@ GLOBAL(vmRun):
   mov   r12, r0
   ldr   r0, [r2, #CHECKPOINT_THREAD]
 
+#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
+  mov   lr, pc
+  bx    r12
+#else
   blx   r12
+#endif
 
 .globl GLOBAL(vmRun_returnAddress)
 .align 2
diff --git a/src/compile-arm.S b/src/compile-arm.S
index 427378c1f8..99eb6c07a8 100644
--- a/src/compile-arm.S
+++ b/src/compile-arm.S
@@ -75,7 +75,12 @@ LOCAL(vmInvoke_argumentTest):
   mov   r8, r0
 
   // load and call function address
+#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
+  mov   lr, pc
+  bx    r1
+#else
   blx   r1
+#endif
 
 .globl GLOBAL(vmInvoke_returnAddress)
 .align 2
@@ -228,5 +233,9 @@ LOCAL(vmJumpAndInvoke_getAddress_word):
 #else // not AVIAN_CONTINUATIONS
    // vmJumpAndInvoke should only be called when continuations are
    // enabled
+#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
+   // TODO: armv4 do not have bkpt
+#else
    bkpt
+#endif
 #endif // not AVIAN_CONTINUATIONS