diff --git a/src/packer.cpp b/src/packer.cpp
index 53965e7a..7082d6a0 100644
--- a/src/packer.cpp
+++ b/src/packer.cpp
@@ -892,7 +892,7 @@ unsigned Packer::unoptimizeReloc(upx_byte **in, upx_byte *image, MemBuffer *out,
             jc += dif;
         }
         *relocs++ = jc; // FIXME: range check jc
-        if (!--relocn) {
+        if (!relocn--) {
             break;
         }
         if (bswap && image) {