diff --git a/libs/libm/libm/lib_log.c b/libs/libm/libm/lib_log.c
index 9b8e23b97d4..5bf3c679481 100644
--- a/libs/libm/libm/lib_log.c
+++ b/libs/libm/libm/lib_log.c
@@ -98,7 +98,7 @@ double log(double x)
           iter = 0;
         }
 
-      if (relax_factor > 1.0)
+      if (iter == 0)
         {
           epsilon *= relax_factor;
         }
diff --git a/libs/libm/libm/lib_logf.c b/libs/libm/libm/lib_logf.c
index 35672915b44..3cf050bca01 100644
--- a/libs/libm/libm/lib_logf.c
+++ b/libs/libm/libm/lib_logf.c
@@ -94,7 +94,7 @@ float logf(float x)
           iter = 0;
         }
 
-      if (relax_factor > 1.0F)
+      if (iter == 0)
         {
           epsilon *= relax_factor;
         }