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-rw-r--r--src/industry_cmd.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
index f25ada8c3..2b1170aba 100644
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -1923,7 +1923,8 @@ void GenerateIndustries()
/* Add the remaining industries according to their probabilities */
for (uint i = 0; i < total_amount; i++) {
- uint32 r = RandomRange(total_prob);
+ /* RandomRange() can only deal with 16 bit, which is not enough here. */
+ uint32 r = ((uint64)Random() * (uint64)total_prob) >> 32;
IndustryType it = 0;
while (it < NUM_INDUSTRYTYPES && r >= industry_probs[it]) {
r -= industry_probs[it];