diff --git a/libavcodec/dovi_rpu.c b/libavcodec/dovi_rpu.c
index f6485256c4..a6b23f4dd1 100644
--- a/libavcodec/dovi_rpu.c
+++ b/libavcodec/dovi_rpu.c
@@ -149,7 +149,7 @@ static inline uint64_t get_ue_coef(GetBitContext *gb, const AVDOVIRpuDataHeader
 
     case RPU_COEFF_FLOAT:
         fpart.u32 = get_bits_long(gb, 32);
-        return fpart.f32 * (1 << hdr->coef_log2_denom);
+        return fpart.f32 * (1LL << hdr->coef_log2_denom);
     }
 
     return 0; /* unreachable */
@@ -168,7 +168,7 @@ static inline int64_t get_se_coef(GetBitContext *gb, const AVDOVIRpuDataHeader *
 
     case RPU_COEFF_FLOAT:
         fpart.u32 = get_bits_long(gb, 32);
-        return fpart.f32 * (1 << hdr->coef_log2_denom);
+        return fpart.f32 * (1LL << hdr->coef_log2_denom);
     }
 
     return 0; /* unreachable */