diff --git a/src/libcamera/ipa_module.cpp b/src/libcamera/ipa_module.cpp
index 91534b6..dd7538b 100644
--- a/src/libcamera/ipa_module.cpp
+++ b/src/libcamera/ipa_module.cpp
@@ -102,7 +102,8 @@ Span<uint8_t> elfLoadSymbol(Span<uint8_t> elf, const char *symbol)
 	if (!eHdr)
 		return {};
 
-	off_t offset = eHdr->e_shoff + eHdr->e_shentsize * eHdr->e_shstrndx;
+	off_t offset = eHdr->e_shoff + ((uint64_t)eHdr->e_shentsize *
+					eHdr->e_shstrndx);
 	ElfW(Shdr) *sHdr = elfPointer<ElfW(Shdr)>(elf, offset);
 	if (!sHdr)
 		return {};
@@ -167,7 +168,8 @@ Span<uint8_t> elfLoadSymbol(Span<uint8_t> elf, const char *symbol)
 	/* Locate and return data of symbol. */
 	if (targetSymbol->st_shndx >= eHdr->e_shnum)
 		return {};
-	offset = eHdr->e_shoff + targetSymbol->st_shndx * eHdr->e_shentsize;
+	offset = eHdr->e_shoff + ((uint64_t)targetSymbol->st_shndx *
+				  eHdr->e_shentsize);
 	sHdr = elfPointer<ElfW(Shdr)>(elf, offset);
 	if (!sHdr)
 		return {};