diff --git a/meta/classes-recipe/rust-target-config.bbclass b/meta/classes-recipe/rust-target-config.bbclass
index f7aa6c74d8..d5fcfa1e2a 100644
--- a/meta/classes-recipe/rust-target-config.bbclass
+++ b/meta/classes-recipe/rust-target-config.bbclass
@@ -247,7 +247,7 @@ MAX_ATOMIC_WIDTH[riscv32gc] = "32"
 DATA_LAYOUT[riscv64gc] = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
 TARGET_ENDIAN[riscv64gc] = "little"
 TARGET_POINTER_WIDTH[riscv64gc] = "64"
-TARGET_C_INT_WIDTH[riscv64gc] = "64"
+TARGET_C_INT_WIDTH[riscv64gc] = "32"
 MAX_ATOMIC_WIDTH[riscv64gc] = "64"
 
 ## loongarch64-unknown-linux-{gnu, musl}