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-rw-r--r--src/compression/huffman.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compression/huffman.c b/src/compression/huffman.c
index b8926ac..8f98755 100644
--- a/src/compression/huffman.c
+++ b/src/compression/huffman.c
@@ -440,7 +440,7 @@ void Ptngc_comp_conv_to_huffman(unsigned int *vals, int nvals,
int ihave=0;
int j;
for (j=0; j<ndict; j++)
- if (codelength[j].dict==i)
+ if (codelength[j].dict==(unsigned int)i)
{
ihave=1;
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