diff --git a/lld/ELF/Arch/RISCV.cpp b/lld/ELF/Arch/RISCV.cpp
index aa67617a5be25..018da8a6e247d 100644
--- a/lld/ELF/Arch/RISCV.cpp
+++ b/lld/ELF/Arch/RISCV.cpp
@@ -663,7 +663,7 @@ static bool relax(InputSection &sec) {
   auto &aux = *sec.relaxAux;
   bool changed = false;
   ArrayRef<SymbolAnchor> sa = ArrayRef(aux.anchors);
-  uint32_t delta = 0;
+  uint64_t delta = 0;
 
   std::fill_n(aux.relocTypes.get(), sec.relocs().size(), R_RISCV_NONE);
   aux.writes.clear();
@@ -726,8 +726,8 @@ static bool relax(InputSection &sec) {
       a.d->value = a.offset - delta;
   }
   // Inform assignAddresses that the size has changed.
-  if (!isUInt<16>(delta))
-    fatal("section size decrease is too large");
+  if (!isUInt<32>(delta))
+    fatal("section size decrease is too large: " + Twine(delta));
   sec.bytesDropped = delta;
   return changed;
 }
diff --git a/lld/ELF/InputSection.h b/lld/ELF/InputSection.h
index 356ccda2d7436..143384b3ba7bc 100644
--- a/lld/ELF/InputSection.h
+++ b/lld/ELF/InputSection.h
@@ -137,7 +137,7 @@ class InputSectionBase : public SectionBase {
   // Used by --optimize-bb-jumps and RISC-V linker relaxation temporarily to
   // indicate the number of bytes which is not counted in the size. This should
   // be reset to zero after uses.
-  uint16_t bytesDropped = 0;
+  uint32_t bytesDropped = 0;
 
   mutable bool compressed = false;
 
@@ -401,7 +401,7 @@ class InputSection : public InputSectionBase {
   template <class ELFT> void copyShtGroup(uint8_t *buf);
 };
 
-static_assert(sizeof(InputSection) <= 152, "InputSection is too big");
+static_assert(sizeof(InputSection) <= 160, "InputSection is too big");
 
 class SyntheticSection : public InputSection {
 public: