diff --git a/src/Unwind-EHABI.cpp b/src/Unwind-EHABI.cpp
index 8ee37d0..a23ba2c 100644
--- a/src/Unwind-EHABI.cpp
+++ b/src/Unwind-EHABI.cpp
@@ -941,8 +941,8 @@
       // format 1", which is equivalent to FSTMD + a padding word.
       for (uint32_t i = first; i < end; ++i) {
         // SP is only 32-bit aligned so don't copy 64-bit at a time.
-        uint32_t w0 = *sp++;
-        uint32_t w1 = *sp++;
+        uint64_t w0 = *sp++;
+        uint64_t w1 = *sp++;
 #ifdef __LITTLE_ENDIAN__
         uint64_t value = (w1 << 32) | w0;
 #else