diff --git a/libunwind/src/UnwindLevel1-gcc-ext.c b/libunwind/src/UnwindLevel1-gcc-ext.c
--- a/libunwind/src/UnwindLevel1-gcc-ext.c
+++ b/libunwind/src/UnwindLevel1-gcc-ext.c
@@ -167,7 +167,7 @@
     }
 
     // Update the pr_cache in the mock exception object.
-    const uint32_t* unwindInfo = (uint32_t *) frameInfo.unwind_info;
+    uint32_t *unwindInfo = (uint32_t *)frameInfo.unwind_info;
     ex.pr_cache.fnstart = frameInfo.start_ip;
     ex.pr_cache.ehtp = (_Unwind_EHT_Header *) unwindInfo;
     ex.pr_cache.additional= frameInfo.flags;