diff --git a/src/libFLAC/lpc.c b/src/libFLAC/lpc.c
index 22aab4a4..de56f52d 100644
--- a/src/libFLAC/lpc.c
+++ b/src/libFLAC/lpc.c
@@ -99,7 +99,7 @@ void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], unsigned data_le
 	 * this version tends to run faster because of better data locality
 	 * ('data_len' is usually much larger than 'lag')
 	 */
-	FLAC__real d;
+	FLAC__real d, tmp;
 	unsigned sample, coeff;
 	const unsigned limit = data_len - lag;
 
@@ -110,13 +110,17 @@ void FLAC__lpc_compute_autocorrelation(const FLAC__real data[], unsigned data_le
 		autoc[coeff] = 0.0;
 	for(sample = 0; sample <= limit; sample++) {
 		d = data[sample];
-		for(coeff = 0; coeff < lag; coeff++)
-			autoc[coeff] += d * data[sample+coeff];
+		for(coeff = 0; coeff < lag; coeff++) {
+			tmp = d * data[sample+coeff];
+			autoc[coeff] += tmp;
+		}
 	}
 	for(; sample < data_len; sample++) {
 		d = data[sample];
-		for(coeff = 0; coeff < data_len - sample; coeff++)
-			autoc[coeff] += d * data[sample+coeff];
+		for(coeff = 0; coeff < data_len - sample; coeff++) {
+			tmp = d * data[sample+coeff];
+			autoc[coeff] += tmp;
+		}
 	}
 }