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-rw-r--r--src/PJ_omerc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/PJ_omerc.c b/src/PJ_omerc.c
index ea2da93b..c8b61a71 100644
--- a/src/PJ_omerc.c
+++ b/src/PJ_omerc.c
@@ -98,9 +98,9 @@ ENTRY0(omerc)
int alp, gam, no_off = 0;
P->no_rot = pj_param(P->params, "tno_rot").i;
- if (alp = pj_param(P->params, "talpha").i)
+ if ((alp = pj_param(P->params, "talpha").i) != 0)
alpha_c = pj_param(P->params, "ralpha").f;
- if (gam = pj_param(P->params, "tgamma").i)
+ if ((gam = pj_param(P->params, "tgamma").i) != 0)
gamma = pj_param(P->params, "rgamma").f;
if (alp || gam) {
lamc = pj_param(P->params, "rlonc").f;